Conflict & Security in the 14th century

823 sourced entries, 1300 CE to 1399 CE, oldest first. Also see Conflict & Security across every century or everything else in the 14th century.

• 1300January 6 – In the Middle East, Mahmud Ghazan, designated by the Mongol Empire to be the Ilkhanate ruler of what is now Iran, completes the conquest of Damascus.source
• 1300January 22 – In the Himalayan Mountains kingdom of Nepal, armies from Mithila capture Bhadagon and occupy the area until the ruling house of Tripura withdraws.source
• 1300March 22 – Shortly after a failed coup d'état attempt by Marin Bocconio, the Republic of Venice makes major reforms of its Quarantia (from Consiglio dei Quranta or "Council of Forty"), the 40 nobles allowed to elect the Republic's chief executive (the Doge of Venice) and the members of its legislative body, the Mazor Consegio. The change in law requires at least 20 votes by the 40 electors to be added to the Consegio, which has grown to 1,100 members.source
• 1300March – Franco–Flemish War: King Philip IV ("Philip the Fair") begins to invade Flanders again after the expiration of an armistice in January. French forces plunder and devastate the countryside around Ypres. The king's brother, Charles of Valois, marches from Bruges to the outskirts of Ghent. He burns Nevele and twelve other towns. In March, French forces besiege Damme and Ypres.source
• 1300April – Franco–Flemish War: At the end of April, Damme, Aardenburg and Sluis surrender.source
• 1300May 8 – Franco-Flemish War: In Flanders (part of modern-day Belgium), the city of Ghent surrenders. By the time that Ypres surrenders on May 21, all of Flanders has been conquered. By the end of the month, all of Flanders is under French control, and several Flemish nobles (like Guy of Namur) are taken into captivity in France.source
• 1300May – After the destruction of Aleppo and withdrawal of the Mongol Empire troops of Khan Ghazan, the Mamluks return to the Middle East from Egypt.source
• 1300June 24 – English invasion of Scotland (1300): On Midsummer Day, after crossing the border from England into Scotland, England's King Edward I holds a conference at English-occupied Scottish territory at Roxburgh with his advance force. King Edward starts another Scottish campaign and marches north with his army, accompanied by several knights of Brittany and Lorraine. The 16-year-old Prince Edward of Caernarfon is appointed to take command of the rearguard of the English army but part from a small skirmish, he sees no action.source
• 1300June 26 – English invasion of Scotland (1300): The largest part of the English Army marches from Carlisle to renezvous with King Edward I at Caerlaverock Castle.source
• 1300July 10 – English invasion of Scotland (1300): King Edward I of England begins a five-day siege of Caerlaverock Castle in Scotland. Enraged by the defending garrison's request for honorable surrender terms, Edward orders the destruction of the castle with battering rams and stone-lobbing trebuchet catapults, then pulls down the walls of the garrison.source
• 1300July 17 – English invasion of Scotland (1300): King Edward I and the English Army arrive in Galloway and set up camp on July 19 at Kirkcudbright where they remain for 10 days while laying waste to the surrounding country side. They confront a Scottish army under John Comyn III ("the Red") on the River Cree. During the battle, the Scottish cavalry is again defeated. Edward is unable to pursue the fugitives into the wild country, where they flee and take refuge. John escapes with his life and begins to raid the English countryside in smaller groups.source
• 1300August 9 – After crossing the River Dee in Scotland and reaching Twynholm, King Edward I and his English troops receive new provisions from the English Navy and fights a brief skirmish with the Scots.source
• 1300October 28 (13 Safar 700 AH) – After learning that the Mongol Empire plans to stage a new attack on the Middle East, including what is now the area occupied by Syria, Egypt, Jordan, Lebanon and Palestine, the Mamluk Sultan, Nasir ad-Din Muhammad, leads an army from Cairo to confront the invasion.source
• 1300December 30 (17 Rabi II 700 AH) – Mahmud Ghazan, ruler of the Mongol Empire's Ikhanate area in the Middle East, crosses the Euphrates River at Qala'at Jabar (modern-day Raqqa in Syria) to invade Syria. Residents of Damascus, Aleppo and other areas of Syria, fearing a repeat of the massacre a few months earlier, flee toward Gaza. Ghazan turns back less than five weeks later because of unusually cold weather (including heavy snow and rain) that kills almost all of his cavalry's 12,000 horses.source
• 1300Battle of Ponza (1300) was a naval battle that occurred on 14 June 1300 near the islands of Ponza and Zannone, in the Gulf of Gaeta (NW of Naples), when a galley fleet commanded by Roger of Lauria defeated an Aragonese-Sicilian galley fleet commanded by Conrad d'Oria.Italysource
• 1301January 25 – Second Mongol invasion of Burma: The forces of Temür Khan, Mongol leader who also serves as the Emperor Chengzong of China, reach Myinsaing, capital of the Myinsaing Kingdom in central Burma, and begin a siege of the city that will last for almost three months before the invasion leaders are paid to leave.source
• 1301February 28 – Second Mongol invasion of Burma: Five weeks after beginning the siege of Myinsaing with no success, the Mongol invaders launch a major assault, but the Burmese defenders continue their defense for 12 days, leading to a truce.source
• 1301March 12 – Second Mongol invasion of Burma: After seven weeks of a stalemate, the Mongols and the Burmese begin negotiations for a truce.source
• 1301April 8 – Second Mongol invasion of Burma: The three Bagan brothers (Athinkhaya, Yazathingyan and Thihathu) who rule the Burmese Kingdom of Myinsaing reach an agreement for Mongol leader Temür Khan and his officers to be paid 800 taels (30 kg) of gold and 2200 taels (83 kg) of silver in return for ending the invasion and returning to Mongolia.source
• 1301April 10 – In the Principality of Monaco, the first Grimaldi family ruler, Rainier I, is forced to flee as troops from the Republic of Genoa besiege the Monacans. The Genoese rule will last for more than 30 years, until September 12, 1331.source
• 1301July 5 – First War of Scottish Independence: King Edward I of England launches his sixth campaign into Scotland, crossing into Berwickshire from Northumberland.source
• 1301August 5 – The English Army, commanded by King Edward I, reaches Glasgow.source
• 1301September 2 – In their invasion of Scotland, English troops under the command of Prince Edward of Caernarfon and Henry de Lacy, Earl of Lincoln, capture Turnberry Castle in Carrick, the headquarters of the Bruces.source
• 1301Spring – Sultan Osman I calls for a military campaign to strike deep into Byzantine Bithynia. During the campaign, Ottoman forces capture the towns of İnegöl and Yenişehir. The later town will be transformed into a capital city, as Osman moves his administration and personal household within its walls. By the end of the year, Ottoman forces begin blockading the major Byzantine city of Nicaea.source
• 1302April 22 – In modern-day Turkey, Byzantine Emperor Michael IX Palaiologos launches a military campaign against Turkish forces who have been conducting raids, and marches from Constantinople. His army travels southward as far as Magnesia ad Maeander (the ruins of which are now near the town of Ortaklar in what is now Turkey's Aydin Province). Palaiologos seeks to directly confront the Turkish forces, but is dissuaded by his generals. In the meantime, the Turks resume their raids, isolating Michael at Magnesia. His army is dissolved without a battle, as the local forces are left behind to defend their homes. The Alans (Byzantine mercenaries) too leave, to rejoin their families in Thrace. Michael is forced to withdraw by the sea, followed by another wave of refugees.source
• 1302May 18 – Flemish militia kill 2,000 French soldiers in the course of the Matins of Bruges, after Pieter de Coninck and Jan Breydel call on soldiers to kill all of the French occupiers of the city in Flanders. The French Governor of Flanders, Jacques de Châtillon, escapes with a handful of soldiers while disguised as a priest. He arrives in Paris to bring the news of the massacre to King Philip the Fair, who sends an army to capture the city.source
• 1302June 14 – Matteo I Visconti, Lord of Milan (Signore di Milano), the semi-independent Italian region within the Holy Roman Empire, is deposed by Guido della Torre, but will return in 1311.source
• 1302July 11 – The Battle of the Golden Spurs takes place as France retaliates against Flanders for the May 18 Matins of Bruges massacre. Flemish forces led by William of Jülich ("William the Younger") and Pieter de Coninck defeat the French army (some 9,000 men) at Kortrijk in Flanders. The cavalry charges of the French prove unable to defeat the untrained Flemish infantry militia, consisting mainly of members of the craft guilds. Many French nobles (some 500 knights) are killed, like the commander Robert II of Artois, and forced to retreat.source
• 1302July 11 – The Battle of the Golden Spurs takes place as retaliation against Flanders for the May 18 Matins of Bruges massacre. Flemish forces led by William of Jülich and Pieter de Coninck defeat the French army on the outskirts of Kortrijk in Flanders. Many French nobles (some 500 knights) are killed.Francesource
• 1302July 27 – Battle of Bapheus: To counter the Turkish threat at Nicomedia, Emperor Andronikos II Palaiologos sends a Byzantine force (some 2,000 men) to cross over the Bosporus to relieve the city. On the plain, Turkish forces (some 5,000 light cavalry) led by Sultan Osman I defeat the Byzantines, who are forced to withdraw to Nicomedia. After the battle, Andronikos loses control of the countryside of Bithynia, withdrawing to the forts. Meanwhile, Turkish forces capture Byzantine settlements, such as the coastal city of Gemlik.source
• 1302August 5 – John Segrave is appointed to the custody of Berwick Castle, leaving him in charge with an English force of some 20,000 men. Robert, along with other nobles, gives his allegiance to Edward.source
• 1302September 26 (28 Muharram 702 AH) – Fall of Ruad: The Knights Templar, European Crusaders to the Holy Land, surrender their control of the island of Ruad (modern-day Arwad, off of the coast of Syria) to the Mamluk Sultanate. Hugh Dampierre negotiates a promise that the Europeans will be allowed safe conduct to a Christian-ruled land of their choice, but Knights are attacked as soon as they emerge from the garrison. Templar Grand Master Barthélemy de Quincy is killed in battle, all of the Syrian Christian bowmen and footsoldiers are executed, and the surviving Knights Templar are taken as prisoners of war and incarcerated in Cairo.source
• 1302October 4 – Andronikos II Palaiologos, Byzantine Emperor, signs a peace treaty with the Republic of Venice, ending the Byzantine–Venetian War (1296–1302). The Venetians return most of their conquests – but keep the islands of Kea, Santorini, Serifos and Amorgos – which are retained by the privateers who have captured them. Andronikos agrees to repay the Venetians for their losses sustained during the massacre of Venetian residents (see 1296).source
• 1302December 10 – The Inuigin Era (Kengen) begins in Japan during the reign after the coronation of Emperor Gonijo.source
• 1303January 28 – In India, the siege of Chittorgarh, capital of the Medapata Kingdom (now in the state of Rajasthan), begins as the Sultan of Delhi, Alauddin Khalji, seeks to acquire the territory of the Medapata Emperor, Ratnasimha.source
• 1303February 24 – Battle of Roslin: Scottish forces (some 8,000 men) led by John Comyn III "the Red" and Simon Fraser ambush and defeat an English scouting party under John Segrave at Roslin. During the battle, the Scots attack the English camp, capturing Segrave and several other nobles. But a second English brigade manages to rescue Segrave in a pitched battle. Later, the English army is again defeated, according to sources they lose between 28,000 and 30,000 men.source
• 1303April 4 – Battle of Arques: Flemish forces (some 10,000 men) led by William of Jülich ("the Younger") defeats a French army at Arques in Flanders. During the battle, the French cavalry (1,600 men) tries to break the Flemish infantry militia formations, but to no avail. Finally, the French withdraw to Saint-Omer, leaving 300 dead behind. Later, William receives a warm reception in Bruges as a liberator in May.source
• 1303April 22 – Battle of Marj al-Saffar: Egyptian Mamluk forces (some 20,000 men) under Sultan Al-Nasir Muhammad defeat a Mongol army and their Armenian allies led by Qutlugh-Shah, on the plain of Marj al-Saffar. After the battle, Egyptian forces enters Damascus and chases the Mongols as far as Al-Qaryatayn in Syria. Al-Nasir returns to Cairo in triumph through the Bab al-Nasr ("Victory Gate") with chained prisoners of war.source
• 1303May 16 – King Edward I of England assembles 7,500 troops at Roxburgh to prepare for a resumption of his campaign against the Kingdom of Scotland, to begin after concluding peace between England and France. In advance of the invasion, Edward orders that three pre-fabricated pontoon bridges be built and transported, in a fleet of 27 ships. After crossing into Scotland, Edward and his soldiers burns hamlet and towns, granges and granaries. Meanwhile, Richard Óg de Burgh, "the Red Earl" with forces from Ireland capture the castles of Rothesay and Inverkip.source
• 1303June 18 – Scottish nobles Edmund Comyn and Simon Fraser lead an invasion from Dumfriesshire in Scotland, crossing the border into England at Cumberland and laying waste to Carlisle and its surrounding area.source
• 1303August 26 – Siege of Chittorgarh: Delhi forces led by Sultan Alauddin Khalji capture the massive Chittor Fort in northern India, after an 8-month-long siege. Alauddin orders a general massacre of Chittor's population.source
• 1303September 16 – The Kagen era begins in Japan during the reign of the Emperor Gonijo.source
• 1303September – Emperor Andronikos II Palaiologos, facing a possible siege of Constantinople by Ottoman-Turkish forces, seeks support from the European kingdoms. He makes Roger de Flor, Italian military adventurer and nobleman, an offer of service. Roger with his fleet and army (some 7,000 men), now known as the Catalan Company, departs from Messina with 36 ships (including 18 galleys), and arrives in Constantinople. He is adopted into the imperial family, Andronikos appoints him as grand duke (megas doux) and commander-in-chief of the Byzantine army and fleet.source
• 1303Mongol invasion of India: Mongol forces appear outside Delhi and begin the siege of the city. Alauddin Khalji and a Delhi vanguard army return to the capital, while the Delhi garrison resists assaults of the Mongols.source
• 1303Autumn – Battle of Dimbos: The Byzantine governors (tekfurs) of Prusa, Adranos, Kestel, and Ulubat begin a military campaign against the Ottoman-Turkish forces of Sultan Osman I. They attack the Ottoman capital city of Yenişehir and proceed to relieve Nicaea, which is under an Ottoman blockade. Osman musters a 5,000-strong army and defeats the Byzantine forces at a mountain pass near Yenişehir.source
• 1303Autumn – Mongol forces lift the siege of Delhi after two months, they retreat with great plunder and war booty. Meanwhile, Alauddin Khaliji orders to strengthen border fortresses along the Mongol routes to India.source
• 1304January 18 – In France, King Philip the Fair issues a mandate at Toulouse to halt the threat of a civil war, declaring that "For the good of our realm... we expressly forbid and most strictly prohibit wars, battles, homicides, the burning of towns or houses, assaults or attacks on peasants or those who plow, or doing anything similar to our vassals and subjects, regardless of status or condition, in any place, or in any part of the realm," and adds that "the rash transgressors of these statutes and inhibitions ought to be punished as disturbers of the peace, regardless of contrary custom, or rather corruption allegedly followed in any part of the said realm." The action comes after Philip's meeting with Franciscan friar Bernard Délicieux concerning the Dominican Inquisition, but the King stops short of halting the Inquisition entirely despite Delicieux's claim that there had not been a single heretic among all the Albigensians for many years.source
• 1304February 9 – War of Scottish Independence: Scottish nobles led by Robert the Bruce and John Comyn ("John the Red"), negotiate a peace treaty with King Edward I of England ("Edward Longshanks"). His terms are accepted, and the Scots submit to English rule. In return, they are granted life and liberty under their old laws and freedom from the forfeiture of their lands. A few prominent nobles are singled out for temporary banishment – among them John de Soules, guardian of Scotland, who is exiled to France. No terms are offered to William Wallace, Edward's most wanted enemy, who remains defiantly at large despite every effort of Edward to capture him.source
• 1304February 20 – Battle of Happrew: Scottish rebels led by William Wallace and Simon Fraser fight guerilla warfare against King Edward I of England. They defend themselves against a vanguard of English knights at Peebles, in the Scottish Borders. During the skirmish, the Scots are defeated and routed. Wallace and Fraser narrowly escape being captured.source
• 1304July 24 – Siege of Stirling Castle: King Edward I of England captures the Scottish rebel stronghold at Stirling. The castle is for four months bombarded by twelve siege engines. During the siege, Edward orders his engineer, Master James of St. George, to build a massive engine called the Warwolf. Eventually, William Oliphant and his garrison surrender.source
• 1304August 11 – Battle of Zierikzee: A French-Hollandic fleet (some 50 galleys) supported by Genoese ships led by Admiral Rainier I defeats the Flemish ships near Zierikzee. During the battle, the Flemish commander Guy of Namur is captured, and his fleet (which consists of Flemish, English, Hanseatic, Spanish and Swedish ships) is annihilated.source
• 1304October 24 – Ottoman-Turkish forces led by Sultan Osman I conquer the ancient city of Ephesus from the Byzantine Empire, massacring and deporting its native population.source
• 1304December – Roger de Flor, Italian nobleman and adventurer, settles with the Catalan Company in Gallipoli and other towns in the southern part of Thrace and visits Constantinople to demand payment for his forces. He lives at the expense of the local population and uses the city as a base for his marauding raids in the surrounding area.source
• 1304Sultan Alauddin Khalji orders a second invasion of Gujarat, which results in the annexation of the Kingdom of Vaghela into the Delhi Sultanate.source
• 1304Battle of Skafida: Emperor Michael IX Palaiologos sends a Byzantine expeditionary force (some 10,000 men) to halt the expansion of the Bulgarians in Thrace. The two armies meet near Sozopol on the Bulgarian Black Sea Coast. During the battle, the Bulgarian army led by Tsar Theodore Svetoslav is defeated and routed. The Byzantines, infatuated with the chase of the retreating enemy, crowd on a bridge – which possibly is sabotaged, and break down. The Bulgarians capture many Byzantine soldiers and some nobles are held for ransom. Svetoslav secures his territorial gains and stabilizes himself as the sole ruler of the Bulgarian Empire (until 1322).source
• 1304Flemish forces under John II, Duke of Brabant ("the Peaceful") and Guy of Dampierre occupy Zeeland and Holland. In response, John II, Count of Holland, count of Holland, recovers the Zeeland and Holland, and restores his authority, but dies on August 22.source
• 1305April 30 – Byzantine Emperor Michael IX Palaiologos invites Roger de Flor, Italian nobleman and adventurer, to Adrianople and has him assassinated there. Along with de Flor, 300 horsemen and some 1,000 foot soldiers who accompanied him are killed. The plan is executed by Alan mercenaries, who at that time are enlisted in the Byzantine army. The murder of the commander of the Catalan Company does not have the expected results. Not only is the Company not disbanded, but its attacks on Byzantine territory becomes more severe. The period of destruction in Macedonia and Thrace after the murder of de Flor becomes known as the "Catalan Revenge".source
• 1305July 10 – Battle of Apros: Byzantine forces (some 6,000 men) under Michael IX Palaiologos, consisting of a large contingent of Alans and Turcopoles (Christianized Turks), attack the Catalan Company near Apros. Michael orders a general cavalry charge, but the Turcopoles desert en bloc to the Catalans. During the battle, the Byzantines are defeated (with many losses from the crossbowmen) and Michael is injured but escapes the field.source
• 1305December 20 – Battle of Amroha: Mongol forces (some 30,000 men) invade the Delhi Sultanate again in northern India. Sultan Alauddin Khalji dispatches a cavalry force led by Vizier Ghazi Malik, to repulse the Mongols. During the battle (somewhere in the Amroha district), the Delhi forces inflict a crushing defeat upon the invaders. Many Mongols are taken prisoner and incorporated into the Delhi army.source
• 1306April 26 – French knight Amalric, Lord of Tyre, with the aid of the Knights Templar, stages a Coup d'état against his older brother Henry II, King of Cyprus. Although Henry remains the nominal king, he is confined at the Cypriot city of Strovolos, and Amalric assumes all of the King's powers. Amalric will be assassinated in 1310.source
• 1306May 13 – (29 Shawwal 705 AH) A Moorish Nasrid fleet sent by Sultan Sultan Muhammad III of the Emirate of Granada (now part of Spain) makes a surprise attack on Africa and captures Ceuta. Nasrid forces land in Ksar es-Seghir, Larache, and Asilah, occupying these Atlantic ports (→ Battle of the Strait). At the same time, Prince Uthman ibn Abi al-Ula of the Marinid Sultanate, leads a rebellion against Sultan Abu Yaqub Yusuf an-Nasr. He conquers a mountainous area in northern Morocco and allies himself with Granada.source
• 1306June 19 – Battle of Methven: Scottish forces (some 5,000 men) under Robert the Bruce are defeated by the English army at Methven. During the battle, the Scots are overwhelmed by a surprise attack on their camp. They are outnumbered, but Bruce manages to form a phalanx to break free. Finally, he is forced to retreat, leaving many of his followers dead or soon to be executed.source
• 130619 June – Battle of Methven: The forces of the Earl of Pembroke defeat Bruce's Scottish rebels.Scotlandsource
• 1306June 23 – The Knights Hospitaller, led by Grand Master Foulques de Villaret, land with 600 men on the island of Rhodes, one of the Dodecanese Islands off of the coast of Byzantium, and begin a four-year long war to capture the fortified city of Rhodes (which will not fall until August 15, 1310).source
• 1306August 11 – Battle of Dalrigh: Robert the Bruce is defeated by rival Scottish forces (some 1,000 men) led by John the Lame of Argyll chieftain and uncle of John Comyn the Red of the Clan MacDougall at Dalrigh (known as "King's Field"). ("After the defeat which Robert Bruce experienced in Perthshire from Edward I, soon after his coronation at Scone, he was endeavoring to make his way toward the West Highlands with a few followers, when, on the 11th of August 1306, he was encountered at a place, since called Dalrigh (the King's field) near Tyndrum, on the border of Argyllshire, by that powerful chief, or rather potentate, Allaster or Alexander MacDougall of Argyll...") During the battle, Bruce himself narrowly escapes capture and takes with the remnants refuge in the mountains of Atholl (Scottish Highlands).source
• 1306September 13 – In Scotland, English forces under Edward of Caernarfon capture and sack Kildrummy Castle in Aberdeenshire. Edward takes Elizabeth de Burgh, Christina Bruce and Mary Bruce (sisters of Robert the Bruce), and Princess Marjorie Bruce (daughter of Bruce) as prisoners. He executes Nigel de Brus (younger brother of Bruce) for high treason, who is later hanged, drawn and quartered at Berwick.source
• 1306September 20 – The Knights Hospitaller, besieging on the island of Rhodes, capture the Feraklos Castle.source
• 1306October 9 – Robert FitzWalter, 1st Baron FitzWalter is pardoned of all debts owed to King Edward I of England, in honor of his service in the war against the Scots.source
• 1306December 6 – The monetary policy of King Philip IV of France triggers a revolt in Paris. The provost's house is burned, and King Philip the Fair has to flee to the fortress of the Temple.source
• 1306Winter – Robert the Bruce retires to the Isle of Rathlin with a small group of followers, including Bruce's brothers Edward, Thomas and Alexander, as well James Douglas, Niall mac Cailein and Malcolm II. He is welcomed by the Irish Bissett family and stays at Rathlin Castle (or "Bruce's Castle"). Robert reorganizes his resources and musters troops for the campaign in Scotland.source
• 1306Mongol invasion of India: Mongol forces invade the Delhi Sultanate, Sultan Alauddin Khalji sends an army under Malik Kafur to deal with the invaders and defeats them at the banks of the Ravi River. The Delhi army kills and captures many Mongols in their pursuit. Alauddin orders the survivors to be trampled under the feet of elephants.source
• 1307January 18 – The Tokuji era begins in Japan in the fourth year of Kagen.source
• 1307February 9 – Battle of Loch Ryan: Thomas de Brus and Alexander de Brus sail with an invasion force of 1,000 men and 18 galleys, into the harbor at Loch Ryan. But they are defeated by rival Scots under Dungal MacDouall. During the attack, only two galleys escape and all the leaders are captured.source
• 1307April – Battle of Glen Trool: Scottish forces led by Robert the Bruce defeat the English army at Glen Trool, Galloway. During the battle, Robert gives the order to push down several boulders to ambush the English, who are approaching through a narrow glen (called the "Steps of Trool"). Scottish forces charge down an extremely steep 700-meter sloop, the narrowness of the defile prevents support from either the front or the rear. Without any room to maneuver, many of the English are killed and routed.source
• 1307May 10 – Battle of Loudoun Hill: Scottish forces under Robert the Bruce defeat the English army (some 3,000 men) at Loudoun Hill. During the battle, a frontal charge by the English knights led by Aymer de Valence is halted by Robert's spearmen militia, who effectively slaughtered them as they are on marshy ground. Aymer manages to escape the carnage and flees to the safety of Bothwell Castle. The battle marks the turning point in Robert's struggle to reclaim the independence of Scotland.source
• 130710 May – Battle of Loudoun HillScotlandsource
• 1307November 17 – The Mongol General Bilarghu hosts the Armenian Kings Hethum II and Leo III at a banquet at his in castle at Anazarbus (now in ruins near the Turkish village of Dilekkaya). After the guests complete the banquet, Bilarghu massacres all of the Armenian royalty and nobles.source
• 1307December 25 – On Christmas Day, the 3-day Battle of Slioch begins in Scotland, with King Robert the Bruce and his men turning back the forces of John Comyn.source
• 1307Spring – King Robert the Bruce, King of Scots crosses with a small force (some 600 men) from the Isle of Arran in the Firth of Clyde to his earldom of Carrick in Ayrshire. He attacks the English garrison at Turnberry Castle, plundering and destroying the stronghold. Meanwhile, The Black Douglas attacks the English garrison in Douglas Castle at Palm Sunday – while they are slaughtered during a church mass (known as the "Douglas Larder").source
• 13079/10 February – Battle of Loch RyanScotlandsource
• 1308March 18 – Brothers Andrei Rurik and Lev II Rurik become the co-monarchs of Ruthenia (now part of Ukraine and Poland, with a capital at Lviv), upon the death of their father, King Yuri I of Galicia. The two brothers will reign until their deaths in 1323 at the Battle of Berestia against Mongol invaders.source
• 1308April 15 – Abu Hammu I becomes the new ruler of the Kingdom of Tlemcen after the death of his brother, Sultan Abu Zayyan I.source
• 1308May 23 – Battle of Inverurie: Scottish forces led by King Robert the Bruce defeat the rival Scots under John Comyn at Oldmeldrum. During the battle, Robert repulses a surprise attack on his camp, and counter-attacks the Scots of Clan Comyn. John flees to seek refuge at the English court and is well received by Edward II, who appoints him as Lord Warden of the Marches. Meanwhile, Robert orders his forces to burn the farms, houses and strongholds associated with Clan Cumming in north-east Scotland. The Earldom of Buchan will never again rise for Clan Cumming.source
• 130829 June – Battle of the River DeeScotlandsource
• 1308June–August – siege, capture and destruction of Aberdeen Castle by Scottish forcesScotlandsource
• 1308July 2 – Alauddin Khalji, Sultan of Delhi sets off from the Indian city of Delhi toward the Fort of Siwana (now in the Rajasthan state) to begin the siege of Siwana, which is completed in September.source
• 1308July 30 – Chungseon of Goryeo becomes the King of Korea for the second time, after the death of his father, King Chungnyeol of Korea. Chungseon had ruled for a few months in 1298 during the illness of his father.source
• 1308August 15 – The Knights Hospitaller complete the conquest of the Greek island of Rhodes after four years.source
• 1308August 31 – (Tokuji 3, 15th day of the 8th month of Tokuji 3) Prince Morikuni becomes the ninth, and last, shogun of the Kamakura bakufu.source
• 1308August – King Robert defeats McDougall of Lorne at The Battle of the Pass of BranderScotlandsource
• 1308September – Siege of Siwana: Delhi forces under Alauddin Khalji capture the Siwana fortress after a two-month siege. During the siege, Alauddin defiles the main water tank of Siwana (by a traitor) with cows' blood.source
• 1308November 10 – After the fall of the fortress of Siwana in India, Prince Sital Deva is ambushed while trying to flee to safety at Jalor. The soldiers decapitate Sital and present his head as a trophy to the Delhi Sultan, Alauddin.source
• 1308November 13 – The Teutonic Knights capture Gdańsk by treachery – while a Brandenburger force of 100 knights and 200 followers led by Heinrich von Plötzke and Günther von Schwarzburg lay siege to the city. The garrison of Gdańsk castle is too weak to defend itself against the Brandenburgers. Meanwhile, the Polish ruler of Gdańsk Pomerania, Władysław I Łokietek ("Wladyslaw the Elbow-High"), is unable to send reinforcements. The citizens call upon the Teutonic Knights for military help and offer to pay their costs. The arrival of the knights, lead the Brandenburgers to beat a hasty retreat. In an act of supreme treachery, the Teutonic Knights attack the city they have come to save. The houses of both Polish and German are burnt and destroyed. Many people are slaughtered without mercy, including women and children who have sought sanctuary in churches. Within a year, the German Crusaders occupy the whole of Eastern Pomerania and consolidate their power at the Baltic Sea.source
• 130825 December – Forfar Castle recaptured by Scottish forcesScotlandsource
• 1308The harrying of Buchan takes places as Scottish forces under Edward Bruce devastate the lands of John Comyn, and his supporters following the victory at Inverurie. Meanwhile, Robert the Bruce takes Aberdeen, conquers Galloway and threatens northern Scotland.source
• 1308Summer – Delhi forces led by Malik Kafur invade the Yadava Kingdom under King Ramachandra, who shelters the fugitive Vaghela king Karna. Ramachandra sues for peace and acknowledges Delhi's overlordship.source
• 1309March 14 – (1 Shawwal 708 AH) Sultan Muhammad III is deposed during a palace coup after a 7-year reign, and is replaced by his half-brother Abu al-Juyush Nasr, as ruler of the Emirate of Granada. Muhammad III is spared and allowed to live in Almuñécar, but his vizier, Abu Abdallah ibn al-Hakim, is killed.source
• 1309May 12 – Marinid Sultan Abu al-Rabi Sulayman launches an attack on Ceuta. He concludes an alliance with King James II of Castile, and concedes commercial benefits to Castilian merchants. Abu al-Rabi also sends 1,000 measures of wheat to Aragon. A few months later, Marinid forces, without Castilian support, occupy Ceuta and expel Saracen forces from Morocco.source
• 1309July 3 – Portugal joins forces with the kingdoms of Castile and Aragon in their attack on Gibraltar.source
• 1309July 18 – King James II of Aragon and his navy depart from Valencia on their expedition to begin the Siege of Almería.source
• 1309August 11 – Siege of Almería: Aragonese forces (some 12,000 men) under King James II of Aragon ("James the Just") land on the coast of Almería and begin blockading the city with his fleet. His forces include siege engines such as mangonels and trebuchets. James orders multiple unsuccessful assaults on the city and is forced (due to a shortage of supplies) to make a truce in December.source
• 1309August 15 – Conquest of Rhodes: The Byzantine garrison of the city of Rhodes surrenders to the Crusader forces of the Knights Hospitaller under Grand Master Foulques de Villaret – completing their conquest of Rhodes. The knights establish their headquarters on the island and rename themselves as the Knights of Rhodes.source
• 1309August 23 – A relief force from the Emirate of Granada attempts to drive out the Kingdom of Aragon forces at Almeria, but loses thousands of men.source
• 1309September 12 – Siege of Gibraltar: Castilian forces under Juan Núñez II de Lara and Alonso Pérez de Guzmán besiege and conquer the Saracen fortress at Gibraltar, which had been held by them for nearly 600 years (since the year 711). During the siege, the port is blockaded. Ferdinand IV of Castile orders repairs of the damaged city walls.source
• 1309October 31 – In India, Alauddin Khalji, Sultan of Delhi, orders General Malik Kafur to invade the Kakatiya kingdom, ruled by Prataparudra, and to besiege its capital, Warangal (now in India's Telangana state).source
• 1309October – About 500 knights led by John of Castile, Lord of Valencia de Campos, uncle of King James II of Castile, desert the Castilian encampment during the Siege of Algeciras because they are not getting paid and because one-sixth of Granada will be ceded to the Kingdom of Aragon. King Ferdinand of Aragon continues the siege.source
• 1309November 13 – After a layover in Masudspur, the Delhi Sultanate Army of General Kafur resumes its march toward Warangal, stopping at Sultanpur on November 19, at Khandar on December 5 and at Nikanth on December 27.source
• 1310January 19 – General Malik Kafur of the Delhi Sultanate begins the siege of Warangal, capital of the Kakatiya kingdom in what is now the Indian state of Telangana.source
• 1310January 26 – James II of Aragon ends the siege of Almeria after five months without taking the city.source
• 1310March 5 – Baybars II, Sultan of the Mamluks in Egypt, is driven from office by an angry mob consisting of supporters of his predecessor, An-Nasir Muhammad. Baybars is located and turned over to Sultan Nasir.source
• 1310March 20 – Having secured the surrender of King Prataparudra of Kakatiya during the siege of Warangal, General Malik Kafur of the Delhi Sultanate begins his return journey to Delhi. He will arrive on June 23.source
• 1310May 26 – Siege of Algeciras: Castilian forces abandon the siege as King Ferdinand IV of Castile ("Ferdinand the Summoned") sign a seven-year peace treaty with Abu al-Juyush Nasr, Sultan of Granada. Nasr agrees to pay an indemnity of 150,000 gold doblas and an annual tribute of 11,000 doblas to Castile. He yields some frontier towns, including Quesada and Bedmar. In accordance with the terms, Nasr becomes a vassal of Castile and provides up to 3 months of military service per year if summoned. Markets will be opened between Castile and Granada – Ferdinand appoints a "judge of the frontiers" (juez de la frontera) to adjudicate disputes between Christians and Muslims in the border regions.source
• 1310June 15 – Tiepolo conspiracy: Leading Venetian nobles led by Bajamonte Tiepolo organise a conspiracy against Doge Pietro Gradenigo. Their plot fails due to treachery and the rebels are defeated near Piazza San Marco by forces faithful to the doge. During their retreat to the San Polo sestiere, the Rialto Bridge is burnt down. Later, Tiepolo surrenders himself and is exiled to Istria. The suppression of the revolt will lead to the creation of the Council of Ten.source
• 1310June 23 – General Malik Kafur arrives at Delhi and presents to Sultan Alauddin the treasures captured from Warrangal.source
• 1310July 1 – The Citadel of Erbil, headquarters of a rebellion by 10,000 Eastern Christians and located in what is now Iraq, is captured after a siege by the Mongol Ilkhanate, and the defenders are massacred.source
• 1310August – King Edward II invades Scotland for the first timeScotlandsource
• 1310September 20 – King Edward II of England reaches Roxburgh after starting his invasion of the Kingdom of Scotland "in the third week of September". The campaign is fruitless, even though English forces under Piers Gaveston manage to reach as far north as Perth.source
• 1310December 3 – Prague, capital of the Kingdom of Bohemia, is captured and King Henry of Bohemia is deposed by his brother, John of Luxemburg, who will later be known as "John the Blind".source
• 1310Spring – Siege of Warangal: Delhi forces led by Malik Kafur conquer the fortress of Warangal after a month-long siege. Rudradeva II, Indian ruler of the Kakatiya Dynasty, negotiates a truce and surrenders a huge amount of wealth to send to the Delhi Sultanate.source
• 1310Spring – Castilian forces abandon the siege of Algeciras after six months and begin negotiations with Granada. Ferdinand and Sultan sign a peace treaty for seven years on May 26.source
• 1310Ó Ragallaig and Mac Mathgamna campaign in AirgiallaIrelandsource
• 1311January 6 – Henry VII, the future Holy Roman Emperor, is crowned King of Italy in Milan with a mock-up of the Iron crown of Lombardy. The Tuscan Guelphs refuse to attend the ceremony and begin preparing for resistance against Henry's rule. Henry approves the despotic regimes of Matteo I Visconti in Milan and Cangrande I della Scala in Verona. The cities of Piedmont and Lombardy submit to Henry – in accordance with the proclaimed program of peace and justice. Florence and their Guelph (anti-imperialist) allies in Tuscany and Romagna move to defend themselves against Henry's accession.source
• 1311February 12 – Milan Uprising: German forces under Baldwin of Luxembourg (brother of Henry VII) crush the Italian Guelph troops, led by Guido della Torre in Milan. A contingent of Teutonic Knights kills and disperses most of the rebels in a single cavalry charge. Guido della Torre escapes, and is condemned to death in absence by Henry.source
• 1311March 15 – The Battle of Halmyros is fought in Greece as the mercenaries of the Catalan Company defeat the Latin forces (some 15,000 men), and their allies under Walter V at Halmyros (southern Thessaly). After the battle, they take control of the Duchy of Athens. Later, Catalan forces peacefully occupy all of Attica and Boeotia, which they rule as part of Greece (until the 1380s).source
• 1311April 7 – Battle of Woplauken: In Europe, the Teutonic Knights defeat the Grand Duchy of Lithuania.source
• 1311April 26 – King Henry VII of Italy razes the city walls of Cremona after suppressing the rebellion of the Torriani family against his rule.source
• 1311June 11 – Boleslaw III the Wasteful, Duke of Wroclaw, renounces his claims to the throne of the Kingdom of Polandsource
• 1311August – King Robert the Bruce retaliates for Edward II's invasion the previous year by invading northern England.Scotlandsource
• 1311September 16 – After a four-month siege, Guelph rebels in the Italian city of Brescia surrender to Cangrande I della Scala, Lord of Verona and officer of King Henry VII.source
• 1311November 13 – (1 Ocho, 22nd day of 9th month) Munenobu Hojo becomes the regent for the Kamakura Shogunate (to July 1312).source
• 1311December 26 – Al-Mahdi Muhammad bin al-Mutahhar, the Shi'ite Muslim Imam of the Zaidiyyah state in Yemen, leads Zaidi troops to victory in a battle in the Sheref district against the Sunni Muslim Rasulid sultanate that dominates most of Yemen. A 10-year ceasefire agreement is brokered between Zaidiyyah and the Rasulid Sultan al-Mu'ayyad Da'udsultan.source
• 1312February 7 – In Scotland, Dungal MacDouall is forced to surrender Dumfries Castle to the forces of King Robert the Bruce. Despite having helped in the murder of King Robert's brothers in 1308, Dungal is allowed to go into exile rather than being put to death.source
• 1312February 20 – Öljaitü, the Ikhanate of the Mongol Empire's territory in the Middle East, carries out a purge of corrupt officials, with the arrest and execution of his vizier, Sa'd al-Din Savaji and one of Sa'd al-Din's closest aides, Taj al-Din Avaji,source
• 1312May 4 – Edward II and Piers Gaveston are at Newcastle upon Tyne when they are alerted to the news of an English force under Henry Percy and Robert Clifford is heading for them. They manage to escape to Scarborough Castle.source
• 1312May 19 – Scarborough Castle is captured by English forces under the command of Aymer de Valence, 2nd Earl of Pembroke after a two-week siege with the surrender of Piers Gaveston, 1st Earl of Cornwall, after Aymer gives his word that Gaveston will not be harmed.source
• 1312May 28 – After the Emir Abu al-Juyush Nasr of Granada asks for help from King Ferdinand IV of Castile, the Kingdom of Castile's forces, commanded by Peter of Castile, Lord of Cameros, Ferdinand's son of King Sancho IV, defeats the rebel Granadan Governor of Malaga, Abu Said Faraj in battle. Abu Said is allowed to retain his post as Governor of Málaga and resumes paying tributes to the Emir.source
• 1312June 15 – Battle of Rozgony: Hungarian forces led by King Charles I defeat the family of Palatine Amadeus Aba near Rozgony. During the battle, Charles losses his royal standard, but is reinforced by German mercenaries from Košice (now part of the Republic of Slovakia). The rebel army is routed, and Charles extends his power base in Hungary. His position is secured and resistance (reduced by the magnates' opposition) against Charles' rule comes to an end.source
• 1312July 13 – King Ferdinand IV of Castile leaves his palace at Ávila for the last time, placing his son Prince Alfonso in charge, and arrives in Toledo before proceeding to the province of Jaén to join his younger brother.source
• 1312October 13 – Özbeg Khan, the Mongol ruler of much of Russia, demands that the Middle East Mongol ruler Öljaitü cede to him the Azerbaijan territory of modern-day Iran.source
• 1312October 31 – Henry VII, Holy Roman Emperor abandons his campaign against Florence.source
• 1312December 15 – In Germany, Henry II the Lion, ruler of Mecklenburg, succeeds in his conquest of the Lordship of Rostock, at the time a protectorate of King Eric VI Menved of Denmark.source
• 1312Öljaitü of the Ilkhanate briefly raids into Syria, with Siege of Al-Rahba. He withdraws in the same year, ending the Mongol invasions of the Levantsource
• 1312Winter – Battle of Gallipoli: A combined Byzantine-Serbian force (supported by a Genoese fleet) defeats the Turcopoles (some 2,000 men) at Gallipoli.source
• 1312Battle of Amorgos: A Knights Hospitaller fleet intercepts and destroys a Turkish fleet near the island of Amorgos. During the battle, all 23 Turkish ships are burnt.source
• 1313January 8 – King Robert the Bruce of Scotland recaptures Perth Castle from the English, then orders the walls and the building to be destroyed in order to prevent it from ever being used by the English again as a garrison.source
• 131313 January – Robert the Bruce expels English troops from PerthScotlandsource
• 13137 February – Robert the Bruce captures DumfriesScotlandsource
• 1313May 6 – In India, Veera Virupaksha Ballala, son and heir of Emperor Veera Ballala III of the Hoysala Empire, returns to the capital, Halebidu (now a ruins in the state of Karnataka), after two years as a hostage. Emperor Ballala III had agreed to leave his son behind at Delhi for two years as part of his surrender to the Delhi Sultan Alauddin Khalji.source
• 1313May 14 – In Poland, Bolko II of Opole and his brother Albert of Strzelce become the new rulers of Opole and Upper Silesia upon the death of their father, Bolko I.source
• 1313May 17 – Robert the Bruce, King of Scotland, leads an invasion of the Isle of Man, landing at Ramsey with a multitude of ships and captures it within five days. The only resistance is presented by the lord of Castle Rushen, and King Robert concentrates his efforts on a siege of the castle starting on May 22.source
• 131318 May – Robert the Bruce invades Isle of Man, capturing it in five daysScotlandsource
• 1313June 12 – Castle Rushen, on the Isle of Man, surrenders to Scotland's King Robert the Bruce after a siege of three weeks.source
• 1313June 24 – From the English garrison at Stirling Castle in Scottish territory, Sir Philip Mowbray proposes a truce with Edward Bruce, brother of King Robert the Bruce of Scotland, after a siege of "many months". Edward Bruce agrees to what Scottish historian Patrick Fraser Tytler will describe five centuries later as "a truce involving conditions which ought on no account to have been accepted." As Tytler notes, the effect "was to check the ardour of the Scots in that career of success, which was now rapidly leading to the complete deliverance of their country; it gave the King of England a whole year to assemble the strength of his dominions... We need not wonder, then, that Bruce was highly incensed, on hearing that, without consulting him, his brother had agreed to Mowbray's proposals."source
• 1313August 8 – Emperor Henry VII begins a campaign against King Robert of Naples ("Robert the Wise"). Henry's allies are loath to join him and his 15,000-man army, supported by 4,000 knights, while the imperial fleet is prepared to attack King Robert's realm directly.source
• 1313August 9 – In the town of Horsens in Denmark, Eric of Jutland reaches a settlement with King Eric VI Menved and receives the Duchy of Schleswig in return for renouncing all claims to Langeland.source
• 1313October 21 – Robert the Bruce, King of Scotland delivers an ultimatum at a meeting of the Scottish nobles at an assembly in Dundee, giving Scots who have not yet come into his peace agreement a year to swear fealty to him or lose all their estates. The Scottish nobles of Lothian appeal to Edward II for protection, who promises to bring an English expeditionary force by midsummer in 1314.source
• 1313November 9 – Battle of Gammelsdorf: German forces led by Louis IV the Bavarian" defeat his cousin Frederick the Fair, at Gammelsdorf, who is supported by Leopold I the Glorious, Duke of Austria. During the battle, Louis' smaller force does not pursue Frederick's defeated army. He is forced to renounce his tutelage over the young dukes of Lower Bavaria (Henry XIV, Otto IV and Henry XV). The conflict causes a stir within the Holy Roman Empire.source
• 1313December 26 – Three days after receiving authorization from the English Parliament for a feudal levy, King Edward II issues a summons for eight earls and 87 barons to muster their troops at Berwick-upon-Tweed by June 10 for an invasion of Scotland.source
• 1314June 17 – First War of Scottish Independence: English forces led by King Edward II leave Berwick-upon-Tweed to march to break the Scottish siege of Stirling Castle. They cross the River Tweed at Wark and Coldstream and march west across the flat Merse of Berwickshire towards Lauderdale. In Earlston, Edward uses an old Roman road through the Lammermuir Hills, practical for the wheeled transport of a long supply train as well as the cavalry and infantry.source
• 1314June 19 – English forces march to the environs of Edinburgh; here Edward II waits for the wagon train of over 200 baggage and supply wagons – which straggle behind the long columns, to catch up. At the nearby port of Leith, English supply ships land stores for the army – who will be well rested before the 35 mi march that will bring them to Stirling Castle, before the deadline of June 24.source
• 1314June 23 – Battle of Bannockburn begins: English forces approach the Scottish positions at Torwood, mounted troops under Gilbert de Clare are confronted by Scottish forces and repulsed. During the fierce fighting, Henry de Bohun is killed in a duel by King Robert the Bruce. Edward II and forward elements, mainly cavalry, encamp at Bannockburn near Stirling in central Scotland. The baggage train and the majority of the forces arrive in the evening.source
• 1314June 24 – Battle of Bannockburn (First War of Scottish Independence): Scottish forces (some 8,000 men) led by Robert the Bruce defeat the English army at Bannockburn, securing de facto independence for Scotland. During the battle, the Scottish pikemen formed in schiltrons (or phalanx) repulses the English cavalry (some 2,000 men). Edward II flees with his bodyguard (some 500 men), while panic spreads among the remaining forces, turning their defeat into a rout. Stirling Castle is surrendered to the Scots.source
• 131424 June – Battle of Bannockburn: English forces defeated by smaller army led by Robert the BruceScotlandsource
• 1314August 31 – King Haakon V of Norway moves his capital from Bergen to Oslo – where he builds Akershus Fortress, from which Norway is ruled for the next 500 years.source
• 1315March 4 (4 Dhu al-Hijjah 714 AH) – The Emir of Mecca, Abu al-Ghayth, is defeated in a battle near Mecca by his brother Humaydah ibn Abi Numayy. Wounded in battle, then captured by the enemy, Abu al-Ghayth is executed by order of his brother at Khayf Bani Shadid.source
• 1315April 28 – The Mamluk Sultanate army invades the Christian outpost of Malatya in Byzantium, then loots the city.source
• 1315May 26 – King Edward II of England and ships with more than 6,000 troops land on the coast of Ireland at Larne to counter the Scottish invasion of Ireland led by Edward Bruce.source
• 131526 May – Edward and his fleet (and more than 5,000 men) land on the Irish coast at points at and between Olderfleet Castle at Larne to initiate an invasion of Ireland.Scotlandsource
• 1315July 22 – Siege of Carlisle: Scottish forces led by King Robert the Bruce besiege Carlisle Castle in England, but the stronghold holds out, due to a well-conducted defense organized by Andrew Harclay and the siege is abandoned by August 1.source
• 1315July 31 – King Louis X of France mobilizes an army along the Flemish border. He prohibits the export of grain and other goods to Flanders – which proves challenging to enforce. Louis pressures officers of the Church at the borderlands, as well as King Edward II, to support his effort to prevent Spanish merchant vessels from trading with the embargoed Flemish cities.source
• 1315August 1 – After a 10-day siege of the stronghold at Carlisle, King Robert of Scotland withdraws on August 1. During the Scots' presence in Cumbria, Scottish forces under James the Black raid Copeland and plunder St Bees Priory.source
• 1315August 11 (12th day of 7th month of 4 Shōwa) – Hōjō Mototoki becomes ruler (shogun) and regent (shikken) of the Kamakura shogunate in Japan upon the death of Hōjō Hirotoki.source
• 1315September 3 (3 Jumada II 715 AH) – Rumaythah ibn Abi Numayy, the former emir of Mecca, arrives at the court of the Mamluk Sultan of Egypt, al-Nasir Muhammad in Cairo. He receives pardon from the Sultan and seeks support against the new Emir, Humaydah ibn Abi Numayy, who had killed his brother and predecessor, Abu al-Ghayth. Al-Nasir sends Rumaythah back to Mecca with an Egyptian army. However, six days before the relief army's arrival, Humaydah pillages and burns the castle at Wadi Marr, and destroys 2,000 date palm trees.source
• 1315September 10 – The Battle of Connor is fought in County Antrim in the north of Ireland as part of the Bruce campaign in Ireland. Scottish-Irish forces commanded by Edward Bruce, brother of Scotland's King Robert the Bruce, rout the army commanded by "The Red Earl", Richard Óg de Burgh, 2nd Earl of Ulster. Those earls not captured by the Scottish army flee to Carrickfergus Castlesource
• 1315October 9 – Banastre Rebellion: A group of English knights start an uprising in Lancashire and revenge themselves on Thomas of Lancaster. After the rebellion, Liverpool Castle is granted to Robert de Holland.source
• 1315November 15 – Battle of Morgarten: The Swiss defeat Leopold of Austria on the shore of the Ägerisee, ensuring independence for the Swiss Confederation.source
• 1315December 9 – In Switzerland, the Pact of Brunnen is signed between leaders of the cantons of Uri, Schwyz and Unterwalden at the city of Brunnen in Schwyz as a mutual defense pact against an invasion by Austria.source
• 1315December 13 – (3 Jumada II 715 AH) Rumaythah ibn Abi Numayy arrives at Mecca with an Egyptian Army, led by the emirs Najm al-Din Damurkhan ibn Qaraman and Sayf al-Din Taydamur al-Jamadar, then spends two weeks in making plans to drive out the Emir Humaydah ibn Abi Numayy. They loot Humaydah's castle at al-Khalf wal-Khulayf, plunder the wealth inside and capture his 12-year-old son, but Humaydah himself escapes to Iraq.source
• 1315Cairo, capital of the Mamluk Sultanate becomes the largest city in the world, taking the lead from Hangzhou in Mongolian China (approximate date).source
• 1316January 28 – Llywelyn Bren leads a revolt against English rule in Wales. After disregarding an order to appear before King Edward II, Llywelyn Bren raises a rebel army and lays siege to Caerphilly Castle. The revolt spreads throughout the south Wear Cove (the Wales valley), and other castles are attacked. Edward sends an expeditionary force led by Humphrey de Bohun to suppress the rebellion. In March, after a battle at Morgraig Castle Llywelyn Bren is forced to break off the Caerphilly siege after six weeks and surrenders on March 18.source
• 1316February 14 – Battle of Skaithmuir: Scottish forces under James Douglas, Lord of Douglas defeat an English raiding party near Coldstream. During the skirmish, Edmond de Caillou (nephew of Piers Gaveston) is killed.source
• 1316February 22 – Battle of Picotin: Catalan forces led by Prince Ferdinand of Majorca, claimant to the Principality of Achaea, defeat the army of Princess Matilda of Hainaut, on the Peloponnese. During the battle, the Catalans kill 500 Burgundians and 700 native troops. The remnants of the Princess's army withdraw in haste, pursued by the Catalan cavalry; before they turn back to loot the abandoned Achaean camp.source
• 1316February – Battle of SkaithmuirScotlandsource
• 1316March 12 – At Belgrade, Stefan Vladislav II becomes the new King of Syrmia (now part of Serbia) upon the death of his father, Stefan Dragutin.source
• 1316March 18 – After leading a six-week-long revolt from Wales against England's, and retreating to Glamorgan, Welsh rebel Llywelyn Bren finally surrenders to King Edward's general, Humphrey de Bohun at Ystradfellte.source
• 1316April 14 – Qutb al-Din Mubarak, the 17-year-old son of Alauddin Khalji, succeeds him and ascends the throne as ruler of the Delhi Sultanate.source
• 1316May 2 – In an attempt to stir the Irish nobles into rebellion against English rule, Edward Bruce, brother of King Robert the Bruce of Scotland is crowned High King of Ireland.source
• 1316July 5 – Battle of Manolada: Latin forces under Louis of Burgundy, supported by Byzantine troops sent by governor Michael Kantakouzenos, defeat the Catalan army under Ferdinand of Majorca. During the battle, Ferdinand is killed and John II of Nivelet, who claims the Principality of Achaea is executed on the field as a traitor. His lands are given to Louis' Burgundian followers. Louis of Burgundy and his wife, Matilda of Hainaut, become the joint rulers of Achaea.source
• 1316July 29 – 10th day of 7th month of 5 Shōwa; In Japan, Hōjō Takatoki becomes the 14th regent of the Kamakura shogunate.source
• 1316August 5 – Battle of Gransee: A North German-Danish alliance, led by Henry II, Lord of Mecklenburg ("Henry the Lion"), decisively defeats the forces under Waldemar the Great at Schulzendorf. During the battle, Waldemar escapes the battlefield, but his army – which consists largely of knights in armor — is massacred. Later, the victorious alliance negotiates a peace treaty at Zehdenick.source
• 1316August 10 – Second Battle of Athenry: Norman rule is retained during the Bruce campaign in Ireland, at the cost of over 5,000 dead.source
• 131610 August – Battle of Athenry; rebellious Irish chiefs of Connacht defeated and killed.Irelandsource
• 1316August 17 – Brothers Albert II and Waldemar I become the joint rulers of the Principality of Anhalt-Zerbst in Germany upon the death of their father, Prince Albert I.source
• 1316October 1 – Birger, King of Sweden, issues a letter of protection to the women of the Karelian people in Finland, at the time a part of the Kingdom of Sweden. The letter is the oldest document in the National Archives of Sweden.source
• 1316December 16 – Abu Sa'id Bahadur Khan becomes the new Mongol Ikhanate of the Middle East upon the death of his father, the Ikhan Öljaitü.source
• 1317July 5 – Mongol Prince Abu Sa'id Bahadur Khan becomes the ruler of the Ilkhanate, the Mongol-controlled area of the Middle East.source
• 1317September 1 – Near Rushyford in County Durham, English knight Gilbert Middleton begins a rebellion against King Edward II. Middleton attacks and takes hostage the newly elected Bishop of Durham, Louis de Beaumont, Louis' brother Henry de Beaumont, and two cardinals, Gauscelin de Jean and Luca Fieschi. The cardinals are set free, while the Beaumonts are imprisoned at Mitford Castle for the next seven weeks.source
• 1317December 11 – King Birger Magnusson has his brothers, Dukes Eric Magnusson and Valdemar Magnusson, captured and thrown into a dungeon during the Nyköping Banquet – as a revenge for their imprisonment of him in the Håtuna games (see 1306). As the brothers soon starve to death in the dungeon, their followers rebel against Birger, throwing Sweden into civil war.source
• 1317Ballymote Castle was captured by the O'Connors of SligoIrelandsource
• 1318February 12 – In Italy, Cangrande I della Scala, Lord of Verona successfully takes Padua. Led by Jacopo I da Carrara, the Paduan Greater Council agrees to cede the territories of Monselice, Este, Castelbaldo and Montagnana to Cangrande for life.source
• 1318April 2 – After a two-day battle, Scottish forces under James the Black retake Berwick-upon-Tweed. The fall of Berwick is a severe blow for King Edward II, and its loss is compounded by the fall of the Northumbrian castles of Wark-on-Tweed (Carham Castle), Harbottle and Mitford.source
• 1318April 16 – An agreement with Birger, King of Sweden is made to release his two brothers Valdemar, Duke of Finland and Eric Magnusson, Duke of Södermanland, who had been imprisoned at Nyköping Castle since December 10. The treaty is brokered by Valdemar's wife Ingeborg Eriksdottir of Norway and Eric's wife, Princess Ingeborg of Norway, who pledge for Valdemar and Eric to renounce all claims to the Swedish throne. However, Valdemar and Eric have already died inside the prison, and the discovery leads to a rebellion against King Birger.source
• 1318April – Sir James Douglas, Lord of Douglas takes the town and castle of Berwick-upon-Tweed from the English, who had controlled the town since 1296.Scotlandsource
• 1318May 10 – Battle of Dysert O'Dea: An Irish confederation defeats the Hiberno-Normans under Richard de Clare. During the battle, some 500 men are killed, along with 80 English nobles.source
• 131810 May – Battle of Dysert O'Dea: The Hiberno-Norman Richard de Clare is defeated and killed by Conor O'Dea in alliance with O'Briens, MacNamaras and Ó hEithirs.Irelandsource
• 1318May – Having captured Berwick-upon-Tweed, Scottish forces under King Robert the Bruce raid Yorkshire and burn Northallerton, Boroughbridge and Knaresborough (where some 140 houses are destroyed). They also terrorize the citizens of Ripon, who are spared destruction, on payment of 1,000 marks.source
• 1318June 27 – The reign of King Birger of Sweden ends as supporters of his late brothers, Valdemar and Eric, storm the Nyköping Castle. Birger and his wife flee to Stegeborg Castle, then flee again when the rebels capture the stronghold in August.source
• 1318July 22 – (22 Jumada I 718) In what is now northwestern Algeria, Abu Tashufin I assassinates his father, Abu Hammu I, Sultan of Tlemcen, and becomes the new monarch.source
• 1318October 14 – Battle of Faughart: A Hibernian and Norman force defeats a Scotch-Irish army commanded by Edward Bruce, who had proclaimed himself High King of Ireland. Edward Bruce is killed in the battle, ending the Bruce campaign in Ireland.source
• 1319June 20 – Within the Mongol Empire, Özbeg Khan of the Golden Horde (the Mongol-controlled area of what is now Uzbekistan and Russia) fights a battle against the Ilkhanate (the Mongol-controlled Middle East) in an attempt to expand the Golden Horde's territory, with a confrontation in Ilkhanate territory at Mianeh (now in Iran). The troops of Özbeg Khan are supplemented with rebels led by an Ilkhanate prince, Yasa'ur. The Ilkhan Sultan, Abu Sa'id Bahadur Khan and his general, Amir Chupan, lead the defenders to victory and take many of the rebel officers prisoner. Afterward, 36 emirs and seven viceroys are executed for treason, including Qurumushi of Georgia and Irinjin of Anatolia.source
• 1319June 25 – Battle of the Vega of Granada: Castilian forces of 12,000 troops, led by the regents Don Pedro of Castile and Don Juan of Castile are defeated by a Moorish relief army at Granada during their attempt. Both regents are killed in the fighting. Pedro and Juan had summoned their Castilian vassals to assemble an expeditionary army in Córdoba, as part of an attempt to restore the deposed Sultan Nasr to the Granadan throne.source
• 1319July 23 – Battle of Chios: A Knights Hospitaller-Genoese fleet (some 30 ships) led by Albert of Schwarzburg defeats a Turkish fleet, off Chios.source
• 1319September 6 – As a reward for his victory at the Battle of Mianeh, General Chupan of the Ilkhanate is allowed to marry Sati Beg, the sister of the Ilkhanate Sultan Abu Sa'id.source
• 1319September 20 – Battle of Myton: Scottish forces (some 15,000 men) led by James the Black, Lord Douglas, defeat an English army in an encounter known as the "Chapter of Myton" because of the large number of clergymen involved. David Dalrymple, Lord Hailes, writes 460 years later, "The English were instantly routed. Three thousand were left dead on the field, and great part of fugitives drowned in the Swale. In this action there fell three thousand ecclesiastics, [20th September.] According to the savage peasantry of those times, this rout was termed by the Scots, the Chapter of Mitton." After the battle, King Edward II is forced to raise the siege at Berwick Castle and retreats south of the River Trent, allowing the Scots to ravage Cumberland and Westmorland unmolested. Queen Isabella, who is in York at this time, manages to escape to safety at Nottingham.source
• 131920 September – Battle of Myton: major engagement in the First Scottish War of Independence, fought in Yorkshire results in victory for Scots.Scotlandsource
• 1319October 29 – (Gen'ō 1, 15th day of 9th month) Nichiin of Japan's Daimoku sect refutes all other sects of Buddhism during an interrogation by the Kamakura shogunate, permitting the sect to continue.source
• 1320January 5 – Henry III, Count of Gorizia, arrives in Padua as the Imperial Vicar with a large army, promising protection to the Italian city state.source
• 1320September 9 – Battle of Saint George: Byzantine forces under Andronikos Asen defeat the army of the Principality of Achaea, securing the possession of Arcadia. During the battle, Latin commander Bartholomew II Ghisi is taken prisoner, along with several high-ranking nobles of the principality, and is sent to Constantinople.source
• 1320October 12 – Andronikos II Palaiologos, who was co-ruler of Byzantium, becomes the sole ruler upon the death of his son Michael IX Palaiologos. Michael's son Andronikos begins a rebellion against his grandfather emperor six months later.source
• 1320Autumn – Byzantine forces under Andronikos Asen capture the Latin castles of Akova and Karytaina. They secure control over Arcadia and Cynuria in the Peloponnese.source
• 1320Battle of Rhodes: The Knights Hospitaller defeat an attempt by the Turks of Menteshe to capture Rhodes. During the battle, a Turkish invasion fleet (some 80 ships) is destroyed by a smaller Hospitaller-Genoese fleet.source
• 1321March 22 – The first Genkō era begins in Japan after the end of the Gen'ō era.source
• 1321March/April – peace talks at Bamburgh Castle end without agreementScotlandsource
• 1321April 19 – At Easter, the Byzantine civil war of 1321–1328 breaks out in the Byzantine Empire as Co-Emperor Andronikos III Palaiologos flees Constantinople to Adrianople, where he sets up his court and initiates an uprising against his grandfather, the Byzantine Emperor Andronikos II Palaiologos. The 24-year-old Andronikos is joined by Theodore Synadenos and John Kantakouzenos in the rebellion. Syrgiannes Palaiologos leads an expeditionary army towards the capital, forcing the emperor to negotiate.source
• 1321May 5 – Wars of the Rügen Succession: Dukes Otto I of Pomerania, Vartislav IV of Pomerania-Wolgast and Barnim III of Pomerania-Stettin reach a mutual inheritance contract with Vitslav III of Rügen.source
• 1321October 31 – Forces of Edward II of England capture Leeds Castle in Kent after Margaret de Clare, wife of Bartholomew Badlesmere, refuses Queen Isabella admittance in her husband's absence. When the Queen seeks to force an entry, Lady Badlesmere instructs her archers to shoot at Isabella and her party, six of whom are killed. After Edward occupies the castle, Lady Badlesmere becomes the first woman ever to be imprisoned in the Tower of London. She will be freed on November 3, 1322.source
• 1321November 27 – In northern Italy, Rinaldo dei Bonacolsi, Duke of Mantua, begins the siege of Mirandola against Francesco I Pico, Duke of Mirandola. Bonaclsi has Pico and his sons Francesco and Tommasino arrested and imprisoned in the Castel d'Ario. A siege of the castle begins the next day and lasts 33 days.source
• 1321December 8 – Confronting the rebellion of Thomas of Lancaster (his cousin), the Baron Badlesmere and Roger Mortimer, King Edward II of England arrives in Cirencester, then leads troops up the Severn Valley from Gloucester against the rebels.source
• 1321December 26 – Faced with an invasion of London during the rebellion of Thomas of Lancaster, by troops led by the English rebel, the Baron Badlesmere, King Edward II of England offers safe conduct for any rebels who come over to the royalist side, but orders the Sheriff of Gloucester to arrest Badlesmere.source
• 1321December 31 – The Duke of Mantua completes the siege of Mirandola, taking control of the Duchy, and then orders the castle of Duke Francesco I Pico to be destroyed.source
• 1321Winter – Byzantine civil war of 1321–1328: Syrgiannes Palaiologos switches support to Andronikos II Palaiologos, fleeing to Constantinople. Rewarded with the title of megas doux, he convinces the emperor to resume the war against Andronikos III.source
• 1322March 10 – "Despenser War": Battle of Burton Bridge – King Edward II of England orders an attack on the fortified positions of the Contrariant army under his cousin Thomas of Lancaster at Walton-on-Trent in the Midlands. Thomas is heavily outnumbered and decides to withdraw, but is pursued by Edward's troops. He escapes with the remnants of his army to Tutbury Castle and evades Edward's patrols to cross the flooded River Dove. Finally, Thomas makes his way northwards.source
• 1322March 16 – "Despenser War": Battle of Boroughbridge – English royal forces (some 4,000 men) led by Andrew Harclay defeat the Contrariant barons at Boroughbridge in Yorkshire. During the battle, Harclay holds the bridge against fierce rebel attacks and Thomas of Lancaster is forced to surrender.source
• 1322April 30 (1st waning of Kason 684 ME (Burmese calendar)) – Tarabya I becomes the new ruler of the Sagaing Kingdom of Burma after the death of King Saw Yun, according to the Yazawin Thit chronicle.source
• 1322June 24 – In Italy, Galeazzo I Visconti becomes the new Lord of Milan upon the death of his father Matteo I Visconti.source
• 1322June 26 – Alice de Lacy, Countess of Lincoln, widow of the Contrariant leader Thomas of Lancaster, surrenders almost all of her properties to King Edward II of England in order to avoid execution.source
• 1322July 1 – Al-Nasir Muhammad, the Mamluk Sultan of Egypt, asks for aid from the Ikhanate Mongol ruler of Iran, Abu Sa'id Bahadur Khan, for help in modern-day southern Turkey. Al-Nasir has started a campaign against the Armenian Kingdom of Cilicia, led by King Oshin, and Pope John XXII has recently dispatched troops to aid the Armenians. By the time the Ikhanate troops arrive, a ceasefire has been negotiated between the Muslims and the Christians.source
• 1322July 17 – An agreement is reached in the Byzantine civil war between Emperor Andronikos II and his rebellious grandson, Andronikos III Palaiologos, signed outside the Byzantine fortress of Epibates (modern Selimpaşa in Turkey). The two men agree that they will jointly rule Byzantium as co-Emperors.source
• 1322August/September – Battle of Bliska: A coalition of Croatian noblemen (with the support of King Charles I of Hungary) defeats Mladen II Šubić of Bribir, ruler (ban) of Bosnia. After the battle, Mladen is arrested by the Croatian Parliament during an assembly held in Knin Fortress and is taken as a prisoner to the royal court in Hungary on October 8.source
• 1322September 20 – Scotland's King Robert the Bruce begins the "Great Raid" on sites in northern England, leading troops across the River Tweed and starting with an attack on Norham Castle. England's King Edward II responds with an order directing the English Army to assemble at Newcastle upon Tyne to make a counterattack.source
• 1322September 28 – Battle of Mühldorf: Bavarian forces (some 2,000 men) led by King Louis the Bavarian defeat the Austrians commanded by his cousin, Frederick the Fair, Duke of Austria and self-proclaimed pretender to the Bavarian throne (or anti-king) at Mühldorf in southern Bavaria. During the battle, Frederick is captured together with his 22-year-old brother, Henry the Friendly (along with 1,000 nobles). Frederick is imprisoned at Trausnitz Castle for two and a half years before his release by the signing of the Treaty of Trausnitz on March 13, 1325.source
• 1322October 14 – "Great Raid": Battle of Old Byland – Scottish forces led by King Robert the Bruce defeat the English army in Yorkshire. During the battle, Robert and his highlanders charge themselves in a flanking position, from where the English troops are overrun, the most significant Scots victory over the English since Bannockburn in 1314. Edward II narrowly escapes capture and is forced to abandon his personal equipment, silver plate, jewelry and horse trappings. He flees with his retinue to Bridlington.source
• 132214 October – Victory for Scots at the Battle of Old Byland in Yorkshire.Scotlandsource
• 1322November 2 – Scotland's King Robert the Bruce ends his "Great Raid" campaign after six weeks, and withdraws his troops from northern England.source
• 1323January 3 – Englishman Andrew Harclay, 1st Earl of Carlisle, who had recently defeated rebel Thomas, 2nd Earl of Lancaster at the Battle of Boroughbridge, commits treason by signing a peace treaty with Scotland's King Robert the Bruce.source
• 1323March 13 – Siege of Warangal: Sultan Ghiyath al-Din Tughluq sends an expeditionary army led by his son, Muhammad bin Tughluq, to the Kakatiya capital Warangal – after ruler Prataparudra has refused to make tribute payments. He besieges the city and finally, after a campaign of 8 months, Prataparudra surrenders on November 9.source
• 1323June 28 – Siege of Villa di Chiesa: Aragonese forces under Prince Alfonso IV the Kind begin the siege at Villa di Chiesa. The fortified town is founded by Count Ugolino della Gherardesca, but is now under the control of the Republic of Pisa. Alfonso attacks the town with some 1,000 men and several siege engines, while the citizens are starved to death.source
• 1323September 28 – In southern Burma (now Myanmar), Saw Zein becomes the new monarch of the Hanthawaddy kingdom (or Martaban) upon the death of his older brother, Saw O.source
• 1323October 8 – John XXII claims the right to confirm imperial elections and demands that Louis IV of Bavarian surrender his claim to be King of the Romans.source
• 1323October 15 – Hostilities that will lead to the War of Saint-Sardos between England and France begin when King Charles IV of France has a royal sergeant place a stake claiming to claim the French town of Saint-Sardos, territory within the jurisdiction of King Edward II of England (who is also the ruler of the Duchy of Aquitaine in southeastern France).source
• 1323November – Flemish Revolt: A uprising in Flanders is caused by both excessive taxation levied by Louis I, and by his pro-French policies. The revolt is led by landowning farmers under Nicolaas Zannekin. Members of the local gentry join and William Deken, mayor of Bruges, becomes the leader of the revolt.source
• 1324February 7 – Siege of Villa di Chiesa: Aragonese forces led by Prince Alfonso ("the Kind") capture the city of Villa di Chiesa due to attrition. The Pisan garrison surrenders after an 8-month siege. It represents the first act of the Aragonese conquest of Sardinia, for the creation of the Kingdom of Sardinia.source
• 1324February 29 – Battle of Lucocisterna: Aragonese forces led by Prince Alfonso defeat a Pisan army, which is disembarked near the area of Capoterra. During the battle, Alfonso loses some 150 knights. On the same day, a Pisan fleet (some 30 galleys) is defeated in the Gulf of Cagliari at Sardinia.source
• 1324June 13 – King Edward II of England dispatches his envoy, Aymer de Valence, 2nd Earl of Pembroke to France in an attempt to negotiate a peaceful end to the Saint-Sardos incident. Stopping at Saint-Riquier 10 days later, Pembroke dies of a heart attack before reaching Paris.source
• 1324June 24 – King Charles IV of France issues an order declaring the Duchy of Aquitaine, French territory ruled by King Edward II of England, forfeited to the crown. The move comes after King Edward fails to render homage, as Duke of Aquitaine, to King Charles. A French army of 7,000 men is massed at the border of Aquitaine for an invasion.source
• 1324June 24 – Louis IV, King of the Romans, gives the Duchy of Pomerania (part of modern-day Germany and Poland) to his son, Louis, Margrave of Brandenburg, exacerbating the Brandenburg–Pomeranian conflict.source
• 1324September 15 – War of Metz: The armies of Bohemia, Luxembourg, Bar and Lorraine under the "Four Lords" begin their siege of the walled city of Metz, capital of the Messin Republic. The attackers use a new weapon, the cannon, to fire projectiles at high speed against the city walls in order to destroy the city. The group withdraws at the end of the month after plundering the surrounding area.source
• 1324September 22 – The War of Saint-Sardos ends after Charles, Count of Valois, forces the surrender of Edmund of Woodstock, 1st Earl of Kent at La Réole, the last English fortress at the Duchy of Aquitaine. A six-month truce followssource
• 1325March 9 – Queen Isabella of England, wife of King Edward II of England and sister of King Charles IV of France, departs from England on a mission to Paris to mediate an end to the war between the two kingdoms. She is directed to return to England by midsummer.source
• 1325May 24 – In Germany, Henry II, Lord of Mecklenburg cedes the territories of Prignitz and the Uckermark to the Margraviate of Brandenburg in an unfavorable peace treaty signed at Daber (modern-day Dobra Nowogardzka in Poland).source
• 1325June 22 – Ismail, Sultan of Granada, begins the siege of Martos in the Spanish Kingdom of Castile, but loses control of his troops, who pillage the city after two weeks.source
• 1325August 7 – Battle of Varey: The 16-year-old Guigues VIII, local ruler (dauphin) of Vienne, defeats the Savoyard forces at Saint-Jean-le-Vieux. During the battle, a Burgundian cavalry charge is repulsed and is forced back to the Savoyard camp. With the assistance of the Varey garrison, Guigues pillages the camp and takes John I, Count of Auxerre, prisoner.source
• 1325November 15 – War of the Bucket: At the Battle of Zappolino in northern Italy, the 7,000-man Ghibelline forces backed by the Holy Roman Empire defeat the much stronger (32,000-men) Guelph army under sent by Pope John XXII near Bologna. After the battle, Ghibelline influence in the region is consolidated.source
• 1326March 11 – The Raid on Brandenburg by King Władysław of Poland is completed with the looting and destruction by Lithuanian troops of the cities of Berlin and Frankfurt (Oder) and the area between them, and the capture of 6,000 German prisoners of war.source
• 1326April 6 – Siege of Bursa: Ottoman forces (some 10,000 men) led by Sultan Orhan I capture the Byzantine city of Bursa. Orhan makes Bursa the first official Ottoman capital.source
• 1326May 4 – King Christopher II of Denmark, forced to flee during an uprising, promises to give the Danish Principality of Rügen to John III of Werle and Henry II, Lord of Mecklenburg, leading to the First War of the Rügen Succession.source
• 1326July 14 – Wartislaw IV, Duke of Pomerania, makes an alliance with Gerhard III, Count of Holstein-Rendsburg, who has taken control of Denmark after the overthrow of King Christopher II. Wartislaw becomes ill and dies 18 days later.source
• 1326September 24 – Invasion of England: Isabella of France and her supporters (including Roger Mortimer) land at the River Orwell in Suffolk. Their aim is to remove King Edward II from his throne and place Prince Edward there as the new ruler. Meanwhile, residing at the Tower of London, Edward tries to raise support in the capital, but instead, there is anarchy in London and mobs killing Edward's officials (including his treasurer, Walter de Stapledon).source
• 1326October 18 – Isabella of France begins the Siege of Bristol, which is defended by Hugh Despenser the Elder.source
• 1326October 26 – After eight days, the castle of Bristol is captured by Queen Isabella, and Hugh Despenser the elder is taken captive. With Bristol secured, Isabella moves her base of operations to Hereford, near the Welsh border. There, she orders Henry of Lancaster to locate and arrest Edward II.source
• 1326Autumn – Gerhard III, Count of Holstein-Rendsburg allies himself with the Danish magnates. In response, the Hanseatic towns of Demmin, Stralsund, Greifswald and Anklam join the alliance.source
• 1326Summer – German forces led by Henry II, Lord of Mecklenburg occupy the western territories belonging to the Principality of Rügen. The towns of Barth and Grimmen surrender after a short siege.source
• 1327January 13 – In Spain, Marinid Prince Uthman ibn Abi al-Ula, who started an uprising the year before against the Emirate of Granada and its ruler Muhammad IV, arrives at Almería and proceeds to enlist Abu Abdallah Muhammad ibn Abi Sa'id, Muhammad IV's uncle, to be installed as the new Emir, with the name al-Qa'im bi-amr Allah.source
• 1327April 4 – In the civil war in Granada, Prince Uthman ibn Abi al-Ula captures the fortress of Laujar de Andarax (in the modern-day Almeria province of Spain).source
• 1327October 27 – Elizabeth de Burgh, Queen consort of Scotland as the wife of King Robert the Bruce, is fatally injured when she falls from her horse while traveling with her entourage to Cullen Castle in Banffshire.source
• 1327December 22 – Ala ud-Din Timurtash, the Viceroy for Anatolia within the Ilkhanate of the Middle East, and the brother of Demasq Kaja, learns that the Ilkhan Abu Sa'id had arranged for the execution of Demasq. Fearing for his own safety, Timurtash decides to leave and eventually flees to Egypt, but will be executed there on August 12, 1328.source
• 13273–4 August – Scottish victory at Battle of Stanhope Park, County DurhamScotlandsource
• 1328August 23 – Battle of Cassel: French troops stop an uprising of Flemish farmers.source
• 1329February 18 – Amda Seyon I, Emperor of Ethiopia, begins his campaigns in the southern Muslim provinces (possibly in 1332).source
• 1329June 10 – Braganstown massacre, County Louth: over 160 killed.Irelandsource
• 1329June 11 – Battle of Maltepe (Pelekanon): Ottoman Turks defeat the Byzantine Empire.source
• 132910 August – The battle of Ardnocher took place near Horseleap between the forces of Thomas Butler and William Mac Geoghegan. Mac Geoghegan forces won and Butler and many of his soldiers were killed.Irelandsource
• 1329Stefan Uroš IV Dušan of Serbia defeats Stephen II, Ban of Bosnia.source
• 1330July 28 – Battle of Velbazhd: The Bulgarians under Tsar Michael Shishman (who is mortally wounded) are beaten by the Serbs. Bulgaria does not lose any territory to Serbia, but is powerless to stop the Serbian advance towards the predominantly Bulgarian-populated Macedonia.source
• 133025 August – James Douglas, Lord of Douglas killed while fighting in SpainScotlandsource
• 1330October 19 – King Edward III of England starts his personal reign, arresting his regent Roger Mortimer, and having him executed.source
• 1330November 9–12 – Battle of Posada: The Wallachians, under Basarab I, defeat the Hungarians, though heavily outnumbered, thus making a firm statement towards the independence of Wallachia.source
• 133121 April – Irish raid and capture ArklowIrelandsource
• 1331September 27 – Battle of Płowce: The German Teutonic Knights and the Poles battle to a draw.source
• 1331The Genkō War begins in Japan.source
• 1331The Sieges of Cividale del Friuli and Alicante begin.source
• 1331Walter de Burgh defeats Tommaltach Mac Diarmata in MoylurgIrelandsource
• 1332February 18 – Amda Seyon I, Emperor of Ethiopia, begins his campaigns in the southern Muslim provinces (possibly in 1329).source
• 13326 August – Battle of Wester Kinghorn sees victory for forces supporting Edward BalliolScotlandsource
• 1332August 10–11 – Battle of Dupplin Moor: Edward Balliol rebels, and the English defeat the loyalists of David II in Scotland.source
• 1332December 16 – Battle of Annan: The loyalists of David II defeat Edward Balliol in Scotland.source
• 133216 December – Battle of Annan, decisive victory for Bruce loyalist forces, ejecting Balliol from ScotlandScotlandsource
• 133210–11 August: Battle of Dupplin Moor, decisive victory for supporters of Edward BalliolScotlandsource
• 1333May 18 – Siege of Kamakura in Japan: Forces loyal to Emperor Go-Daigo, led by Nitta Yoshisada, enter and destroy the city, breaking the power of the Hōjō clan over the Kamakura shogunate. The Kamakura period ends, and the Kenmu Restoration under Go-Daigo begins.source
• 1333June 8 – King Edward III of England seizes the Isle of Man from Scottish control.source
• 1333June 19 – Ashikaga Takauji leads his army into Kyoto as part of the Kenmu Restoration.source
• 1333July 7 – The reign of Emperor Kōgon of Japan, first of the Northern Court (Ashikaga) Pretenders, ends.source
• 1333July 19 – Wars of Scottish Independence - Battle of Halidon Hill: Edward III of England decisively defeats Sir Archibald Douglas. Berwick-upon-Tweed returns to English control.source
• 133319 July – Battle of Halidon Hill results in decisive English victoryScotlandsource
• 1333Ó Ceallaigh of Uí Maine at war with Ó ConchobhairIrelandsource
• 1333Conchobhar O Domhnaill succeeds his father, Áed, as King of Tír ConaillIrelandsource
• 133423 December – Henry de Beaumont, 4th Earl of Buchan compelled to surrender to Andrew de Moray, the new Guardian of Scotland after a siege at Dundarg Castle.Scotlandsource
• 1334Autumn – Battle of Adramyttion: A Christian league defeats the fleet of the Turkish Beylik of Karasi.source
• 1334O Cellaig at war with O Conchobhair, until 1339Irelandsource
• 1334Conchobar O Domnaill succeeds his father Aéd as King of Tír ConaillIrelandsource
• 1335July 30 – Battle of Boroughmuir: John Randolph, 3rd Earl of Moray defeats Guy, Count of Namur in Scotland.source
• 133530 July – Battle of Boroughmuir, Scots victoryScotlandsource
• 1335November 30 – Battle of Culblean: David Bruce defeats Edward Balliol in Scotland.source
• 133530 November – Battle of Culblean, decisive Bruce loyalist victoryScotlandsource
• 1335Georgians under King George V (the Brilliant) finally defeat the Mongolians in a decisive battle. After that George V returns the Grave of Christ from the Muslims.source
• 1335Parliament (or council): subsidy granted for Edward III's Scottish war.Irelandsource
• 1336February 25 – Rather than be taken captive by the Teutonic Knights, 4,000 defenders of Pilėnai, Lithuania commit mass suicide.source
• 1336May 19 – The governor of Baghdad, Oirat 'Ali Padsah, defeats Arpa Ke'un near Maraga, contributing to the disintegration of the Ilkhanate.source
• 1336July 4 – Battle of Minatogawa: Ashikaga Takauji defeats Japanese Imperial forces, under Kusunoki Masashige and Nitta Yoshisada.source
• 13373 March – Ordinance by King Edward III of England and council in parliament at Westminster that landholders in Ireland should pay subsidy for defence of their marchesIrelandsource
• 1337May 24 – Philip VI of France confiscates Gascony from English control.source
• 1337August – Second War of Scottish Independence: English forces relieve Stirling Castle, ending Edward III of England's last campaign in Scotland.source
• 1337October – Hundred Years' War: Edward III of England formally rejects Philip VI's claim to the French throne, initiating hostilities between France and England.source
• 1337November – Battle of Cadzand: English troops raid the Flemish island of Cadzand.source
• 1337The Despotate of Epirus is conquered by the Byzantine Empire.source
• 1337The Scaligeri Family loses control of Padua; Alberto della Scala, patron of the music of the Trecento, moves to Verona.source
• 1337Siege of Nicomedia: After its foundation by Osman I in about 1299, the Ottoman Empire expanded across Bithynia in north-west Anatolia by capturing territory from the Byzantine Empire.source
• 1337Ruaidhri O Ceallaigh of Uí Maine defeats and captures King Toirdhealbhach of ConnachtIrelandsource
• 1338October 5 – Hundred Years' War, English Channel naval campaign: Southampton is destroyed.source
• 1338Ashikaga Takauji is granted the title of shōgun by the emperor of Japan, starting the Ashikaga Shogunate.source
• 1338Philip VI of France besieges Guienne in Southwest France, and his navy attacks Portsmouth, England.source
• 1338Nicomedia is captured by the Ottoman Empire.source
• 1338Edmond de Burgh, son of the 2nd Earl of Ulster, is drowned in Lough Mask by his cousins Edmond Albanach de Burgh and his brother Raymond "who fastened a stone to his neck ... The destruction of the English of Connacht, and of his own in particular, resulted from this deed." King Toirdhealbhach of Connacht expels Edmund to western isles of Connacht "after the territories and churches of Iar Connacht (the west of Connacht) had been greatly destroyed between them;" Toirdhelbhach "then assumed the sway of the whole province." Edmund collects a "large fleet of ships and barks ... and he remained for a long time on the islands of the sea."Irelandsource
• 1338Matilda, countess of Ulster, offers to surrender lands in Ulster for others in EnglandIrelandsource
• 1339February - French forces captured Bordeaux following a siege.Francesource
• 1339June – Battle of Laupen: The Canton of Bern defeats the forces of Fribourg.source
• 133926 September - English King Edward III laid siege to Cambrai as part of his effort to take the throne of France.Francesource
• 13398 October - Edward abandoned the siege after learning that French King Philip VI was arriving with an reinforcement army.Francesource
• 133924 October - English forces retreated into Duchy of Brabant, ending the Thiérache campaign.Francesource
• 1339Hostilities occur between the Anglo-Irish and Irish in Kildare, Meath and KerryIrelandsource
• 1340April–July – Trapezuntine Civil War: An abortive uprising occurs against Irene Palaiologina of Trebizond, the first of a number of coups, revolts, and succession disputes.source
• 1340June 24 – Hundred Years' War: Battle of Sluys – The English fleet, under the command of Edward III of England, battles the French fleet, under that of Admiral Hugues Quiéret and treasurer Nicolas Béhuchet, assisted by Genoese mercenary galleys under Egidio Bocanegra, on the Low Countries coast. The French fleet is virtually destroyed, and both of its commanders are killed.source
• 1340July 26 – Hundred Years' War – Battle of Saint-Omer: The French defeat the English.source
• 1340September 25 – Hundred Years' War: The temporary Truce of Espléchin is signed between England and France.source
• 1340October 30 – Battle of Río Salado in Spain: The kings of Castile and Portugal defeat the Nasrid ruler of Granada and his Moroccan allies.source
• 1341September–October – The Byzantine civil war of 1341–1347 (between John VI Kantakouzenos and the regency for the infant John V Palaiologos) breaks out.source
• 1341Tbilisi becomes a capital of European Christian Cathedra, after the city of Smirna. George V (the Brilliant) returns Jerusalem and the Grave of Christ from the Muslims.source
• 1341Saluzzo is sacked by Manfred V of Saluzzo.source
• 1341The Breton War of Succession begins, over the control of the Duchy of Brittany.source
• 1341King Toirdhealbhach of Connacht captures Roscommon castle.Irelandsource
• 134230 March — Alexander Ramsay of Dalhousie captured Roxburgh Castle.Scotlandsource
• 1342July 18 – Battle of Zava: Mu'izz al-Din Husayn defeats the Sarbadars.source
• 13424 November – King Toirdhealbhach of Connacht is deposed by Mac Diarmata (Eng. MacDermot) and Mac William Burke. Succeeded by Aodh mac Aodh of Clann Mhuircheartaigh.Irelandsource
• 1342Late May–late June – War of the Breton Succession: Siege of Hennebont – Forces of Charles, Duke of Brittany, conduct an unsuccessful siege of the fortified port of Hennebont in Brittany, commanded by Joan of Flanders, Countess of Montfort.source
• 1342Byzantine civil war of 1341–1347 – The Zealots seize power in Thessalonica, expelling its aristocrats and declaring themselves in favour of the regency.source
• 1342Soldiers from Ireland are sent to campaign for Edward III in Brittany.Irelandsource
• 1343April 23 – The St. George's Night Uprising begins in Estonia.source
• 1343Clann Mhuircheartaigh is expelled from Bréifne by Ualgarg Mór Ó Ruairc, O Conchobhair, and Tadhg Mag Ragnaill. He is given refuge by King Aonghus of Tír Conaill in Tír Aodha (Tirhugh, County Donegal).Irelandsource
• 1343King Niall Ó Domhnaill of Tir Conaill is deposed by his nephew Aonghus, with the aid and support of O Baoighill, Ó Dochartaigh, the MacSweenys and Aodh Reamhar Ó Neill.Irelandsource
• 1343Clanricarde and de Berminghams invade Uí Maine.Irelandsource
• 1344March 26 – Reconquista: The Siege of Algeciras (1342–44), one of the first European military engagements where gunpowder is used, ends with the Muslim city of Algeciras surrendering and being incorporated into the Kingdom of Castile.source
• 1344April 23 – The St. George's Night Uprising: The Livonian Order hangs Vesse, the rebel Estonian Elder of Saaremaa Island.source
• 1344May 13 – Battle of Pallene: A Christian fleet defeats a Turkish fleet at Pallene, Chalcidice.source
• 1344King Peter IV of Aragon defeats and deposes his cousin, James III of Majorca, thereby absorbing the Balearic Kingdom of Majorca into the Crown of Aragon.source
• 1345January 17 – The Turks attack Smyrna.source
• 1345April 22 – Battle of Gamenario: The Lombards defeat the Angevins in the northwest region of present-day Italy, just southeast of Turin.source
• 1345April – Edward III of England offers "defiance" of Philip VI of France.source
• 134526 June – Earl of Desmond attacks Nenagh.Irelandsource
• 1345July 7 – Battle of Peritheorion: the forces of Momchil, autonomous ruler of the Rhodope, are defeated by the Turkish allies of John VI Kantakouzenos.source
• 1345August 8 – Peter, Duke of Bourbon was appointed French commander in Gascony and bases himself at Agen.Francesource
• 1345August – Gascon campaign of 1345 - Battle of Bergerac, Gascony: English troops are victorious over the French.source
• 1345September 26 – Battle of Warns: The Frisians defeat the forces of Holland under William II, Count of Hainaut, in the midst of the Friso-Hollandic Wars.source
• 1345October 21 – Battle of Auberoche in Gascony: The English defeat the French.source
• 1345October 21 – The Battle of Auberoche is fought between an Anglo-Gascon force of 1,200 men under Henry of Grosmont, Earl of Derby, and a French army of 7,000 commanded by Louis of Poitiers. It was fought at the village of Auberoche near Périgueux in northern Aquitaine resulting in an Anglo-Gascon victory.Francesource
• 1345November 8 – The English take La Réole in Gascony.source
• 1345December – The English take Aiguillon in Gascony.source
• 1345Late August – The Battle of Bergerac is fought between Anglo-Gascon and French forces at the town of Bergerac, Gascony resulting in an Anglo-Gascon victory. Henry of Grosmont, Earl of Derby, breaking the previous policy of cautious advance in the Hundred Years' War, struck directly at the largest French concentration, at Bergerac, surprising and defeating the French forces under Bertrand I of L'Isle-Jourdain and Henri de Montigny.Francesource
• 1345Justiciar d'Ufford campaigns against Desmond.Irelandsource
• 1346April 1–August 20 – Siege of Aiguillon: The French fail to take Aiguillon from its English defenders.source
• 134623 April (until April 29) – the castles of Lea, Kilmohide and Balylethan in Leinster captured by Uí Mhórdha, Uí Chonchobair (Ó Conchubhair Fáilghe) and Uí Dhíomusaigh [3].Irelandsource
• 13464 May – the above castles "broken" by the above on this date [4].Irelandsource
• 1346May–June – An English invasion fleet assembles at Portsmouth.source
• 1346June 9 – Battle of St Pol de Léon: The English army defeats Charles of Blois in Brittany.source
• 1346June 15 – Genoese forces led by Simone Vignoso land on the Mediterranean island of Chios and capture it from local Greek control within a week, apart from the Castle of Chios, which resists until 12 September.source
• 1346June 24 – The leaders of Ghent, Bruges and Ypres agree to support Edward III.source
• 1346July 11–12 – Edward III and the English army cross the English Channel and begin an invasion of France.source
• 1346July 12–18 – The English raid and burn neighbouring towns and villages in the Cotentin Peninsula.source
• 1346July 26 – Battle of Caen (1346): An English army captures and sacks the French city of Caen.source
• 1346July – Edward III orders the closing of English ports to stop information from reaching France.source
• 1346August 24 – Battle of Blanchetaque: The English defeat the French.source
• 1346August 26 – Battle of Crécy: The English defeat the French, in the first European battle where gunpowder is used.source
• 1346September 4 – The English begin the siege of Calais.source
• 1346September–October – Anglo-Gascon offensives overrun large parts of southwest France.source
• 1346October 4 – The English capture and sack the French city of Poitiers.source
• 1346October 17 – Battle of Neville's Cross: The English army defeats the Scots.source
• 1346"In that winter there was a war between the English, namely W[alter] de Bermingham, and the Earl of Kildare, and Uí Mhórdha and Uí Dhíomusaigh, and they attacked and burnt their lands; they killed few men however." [11].Irelandsource
• 1346"At this time the whole of the Irish of Leinster placed themselves at war against the English and the peaceful people, burning, plundering and killing whomsoever they were able, sparing neither churches nor sacred places nor vestments. On the contrary they plundered and burnt churches and cemeteries in various places, like the church of Duleek and Fennor and Cloghan et cetera." [2].Irelandsource
• 1347February 2 – The Byzantine civil war of 1341–1347 between John VI Kantakouzenos and the regency for John V Palaiologos ends with Kantakouzenos entering Constantinople.source
• 1347September 1 – The Black Death reaches the French port city of Marseille.source
• 1347September – Hundred Years' War: The English win the city of Calais.source
• 1347King Phillip of France meets with the Estates General to ask for funds to further the war effort against the English.source
• 1347"Maurice Fitz Thomas, Earl of Kildare, and Lord Fulk de la Freigne, having been called and invited by the King entered France for the Siege of Calais that lasted from the preceding feast of the nativity of blessed Mary right up to the feast of St. Laurence, martyr. And then after many attacks and dreadful and incredible famine the French were compelled to submit they keys of the city and themselves to the mercy of the King of England."Irelandsource
• 1348February 2 – Battle of Strėva: the Teutonic Order secure a victory over the Grand Duchy of Lithuania. Sources tell of a blow to Lithuanian leadership, one that the Teutonic Order could not fully make use of due to the Black Death.source
• 1348August – the Black Death reaches the ports of Drogheda and Dalkey.Irelandsource
• 1348November 1 – The anti-royalist Union of Valencia attacks the Jews of Murviedro because they are serfs of the King of Valencia and thus "royalists".source
• 1348Estimation: Hangzhou in Mongolian China becomes the largest city of the world, taking the lead from Cairo, capital of Mamluk Egypt.source
• 1348Hundred Years' War (1337–1360): The effects of the Black Death cause a de facto truce to be observed between England and France until 1355.source
• 1348Stefan the Mighty, Emperor of Serbia, conquers Thessaly and Epirus.source
• 1348Warfare occurs in Connacht between Fergal MacDermott and Ruaidhri mac Cathal mac Andrew. MacDermott's fortress is destroyed, as is Ruaidhri's at Ballymote, "both stone structure and wooden house, and they took what was there of hostages with them, including the son of Ua Ruairc, and they went themselves safe to their houses."Irelandsource
• 1349February 14 – Jewish persecutions during the Black Death: Strasbourg massacre – Because they are believed by the residents to be the cause of the Black Death, roughly 2,000 Jews are burned to death.source
• 1349August 24 – The Black Death breaks out in Elbing (Poland).source
• 1349November 8 – Ibn Battuta arrives in Fez, Morocco.source
• 1350May 23 (possible date) – Hook and Cod wars in the County of Holland: A number of nobles and progressive cities supporting William V, Count of Holland, in his power struggle with his mother Margaret I, Countess of Holland, found the Cod League and perhaps sign the Cod Alliance Treaty.source
• 1350August 29 – Battle of Winchelsea (Les Espagnols sur Mer) off the south coast of England: An English fleet personally commanded by King Edward III defeats a Castilian fleet.source
• 1350September 5 – Hook and Cod wars in the County of Holland: Conservative noblemen found the Hook League and sign the Hook Alliance Treaty.source
• 1350Hayam Wuruk becomes ruler of the Majapahit Empire.source
• 1351January 14 – Edward III of England institutes the Treason Act 1351, defining treason in English law. It remains unrepealed into the 21st century.source
• 1351February – The French besiege the town of Saint-Jean-d'Angély with an army of several thousand men led by Guy II de Nesle and his deputy Arnoul d'Audrehem.Francesource
• 1351March 23 – Firuz Shah Tughlaq succeeds Mohammad Tughlaq as ruler of the Delhi Sultanate. At this time, the Samma dynasty in Sindh (part of modern-day Pakistan) breaks away from the Sultanate.source
• 1351March 26 – War of the Breton Succession: Combat of the Thirty – Thirty chosen knights each, from the Kingdoms of France and England, fight to determine who will rule the Duchy of Brittany; a Franco-Breton victory is assured by the squire Guillaume de Montauban.source
• 1351March 26 – The Combat of the Thirty (part of Breton War of Succession) is fought to determine who would rule the Duchy of Brittany. It was an arranged fight of thirty chosen knights each, from the Kingdoms of France and England, that fought at a site midway between the Breton castles of Josselin and Ploërmel. The challenge was issued by Jean de Beaumanoir, a captain of Charles of Blois supported by King Philip VI of France, to Robert Bemborough, a captain of Jean de Montfort supported by Edward III of England.Francesource
• 1351April 1 – Hundred Years' War: Battle of Saintes. – The French are defeated by the English.source
• 1351April 1 – The Battle of Saintes between French and English forces takes place near Saint-Jean-d'Angély. The English force led by the Seneschal of Gascony, John de Cheverston and Arnaud-Amanieu are victorious, but was unable to fulfil its mission to resupply the besieged town of Saint-Jean-d'Angély.Francesource
• 1351April 8 – Hundred Years' War: Battle of Taillebourg. – The French are defeated by the English.source
• 1351June 6 – The Battle of Ardres is fought between French and English forces near the town of Ardres, Pas de Calais. The French led by Édouard I de Beaujeu, defeat the English and capture English commander of Calais John de Beauchamp.Francesource
• 1351August 31 – The French captured the besieged town of Saint-Jean-d'Angély upon the arrival of the King of France.Francesource
• 1351The Red Turban Rebellions break out in China, leading to permanent weakening of the Mongolian-run Yuan dynasty.source
• 1352February 13 – War of the Straits – The Battle of the Bosporus is fought in a stormy sea into the night between the Genoese, Venetian, Aragonese, and Byzantine fleets. The Genoese emerge victorious, as the other fleets withdraw.source
• 1352October – Byzantine civil war of 1352–1357 – Battle of Demotika: Fighting as allies of John VI Kantakouzenos, the Ottoman beylik scores its first victory on European soil, against the Serbs.source
• 1352After years of begging and being a Buddhist monk, the penniless Chinese peasant Zhu Yuanzhang joins the Red Turban Rebellions against the Mongol-led Yuan dynasty of China; he will later become the first emperor of the Ming dynasty.source
• 1353August 27 – War of the Straits and Sardinian–Aragonese war – Battle of Alghero: The allied Aragonese and Venetian fleets crush the Genoese fleet, most of which is captured.source
• 1353The Black Death (1331) subsides.source
• 1354August 16 – War of the Straits: The Venetian-ruled town of Poreč is sacked by the Genoese under Paganino Doria, who carry off the relics of saints Eleutherius and Maurus of Parentium to Genoa, where they were deposited at the church of San Matteo.source
• 1354November 4 – War of the Straits: The Genoese fleet under Paganino Doria defeats and captures the entire Venetian fleet under Niccolò Pisani at the Battle of Sapienza.source
• 1354After 24 years of struggling for independence, since the Battle of Posada, Nicholas Alexander of Wallachia becomes a vassal to Hungarian king Louis I.source
• 1355January 7 – King Afonso IV of Portugal sends three men who kill Inês de Castro, mistress of his son Pedro, who revolts and incites a civil war.source
• 1355February 10 – St Scholastica Day riot in Oxford, England, breaks out, leaving 63 scholars and perhaps 30 locals dead in two days.source
• 1355March 16 – Red Turban Rebellions: Han Lin'er, a claimed descendant of Emperor Huizong of Song, is proclaimed emperor of the restored Song dynasty in Bozhou.source
• 1355August – Battle of Nesbit Moor: The Scottish army decisively defeats the English.source
• 1355October 5–December 2 – Hundred Years' War: Black Prince's chevauchée of 1355 – A large mounted Anglo-Gascon force under the command of Edward the Black Prince marches from Bordeaux in English-held Gascony 300 miles (480 km) south to Narbonne and back, devastating a wide swathe of French territory.source
• 1355Date unknown – Battle of Ihtiman: The Ottoman Turks defeat the Bulgarian Empire but suffer heavy losses and do not return to Bulgarian territory for around 15 years.source
• 1356January 20 – Edward Balliol surrenders his title as King of Scotland, to Edward III of England.source
• 1356June 17 – The city of Lwów is granted Magdeburg rights by Casimir III the Great, King of Poland. The advantages of the rights are not only economic, but also political.source
• 1356September 19 – Hundred Years' War – Battle of Poitiers: The English, commanded by Edward the Black Prince, defeat the French. The greatly outnumbered English forces not only rout the French, but capture the French king John II of France and his youngest son, the future Philip the Bold of Burgundy.source
• 1356October 17 – Erik XII proclaims himself king of Sweden, in opposition to his father, King Magnus IV. Thus begins a civil war in Sweden between father and son, which will last until Erik's death in 1359.source
• 1356Ghazan II replaces Anushirwan as ruler of the Ilkhanate in Persia.source
• 1356Zhu Yuanzhang, one of the leaders in the Red Turban Rebellion, captures the city of Nanjing from the Mongol-led Yuan dynasty in China; from then on it becomes his base of power, and the capital of a new dynasty he would establish in 1368, the Ming dynasty.source
• 1357July 22 – On the death of Jani Beg, he is succeeded as Khan of the Blue Horde by his son Berdi Beg who orders the death of at least 12 of his close kinsmen to secure his position.source
• 1357Rao Kanhadev becomes Rathore ruler of Marwar (part of modern-day India).source
• 1358January 10 – Muhammad II as Said becomes ruler of the Marinid dynasty in modern-day Morocco after the assassination of Abu Inan Faris.source
• 1358February 11 – Mohammed Shah I becomes Bahmani Sultan of Deccan (part of modern-day southern India) after the death of Sultan Ala-ud-Din Bahman Shah.source
• 1358May 28 – Hundred Years' War: The Jacquerie – A peasant rebellion begins in France, which consumes the Beauvais, and allies with Étienne Marcel's seizure of Paris.source
• 1358July 10 – Battle of Mello: The Jacquerie rebellion is defeated by a coalition of nobles, led by Charles II of Navarre.source
• 1358Shah Shuja overthrows his father, Mubarazuddin Muhammad, as leader of the Muzaffarid tribe.source
• 1358Mubariz al-Din Muhammad, leader of the Arab Muzaffarid tribe, expels the Blue Horde from Ilkhanate territory in Persia. The Muzaffarid then release control of the Il-Khanate, after being marched on by the Mongol Jalayirid tribe, ruled by Shaikh Uvais. Shaikh Uvais becomes the new Il-Khan. The Ilkhanate is effectively now disbanded, and replaced by the Jalayirid dynasty of Persia.source
• 1358Estimation: Nanjing in Yuan China becomes the largest city of the world, taking the lead from Hangzhou in Yuan China.source
• 1359June 21 – Upon the death of Erik Magnusson, his claims to the Swedish throne die with him, and power is restored undivided to his father, King Magnus. With this unexpected death of Erik Magnusson, a previous promise to give Helsingborg to Denmark was reneged on by Magnus IV Eriksson. But Valdemar IV Atterdag was far too ambitious a ruler to have his plan to reassemble the Danish kingdom fall into pieces, and so he proceeded to invade Scania the next year with his mercenary army.source
• 1359August 23 – Ismail II overthrows his uncle, Muhammed V, as Sultan of Granada (in modern-day Spain).source
• 1359August – Qulpa becomes Khan of the Blue Horde after the death of Berdi Beg.source
• 1359probable date – Battle of Megara: A Christian coalition defeats a Turkish raider fleet.source
• 1359Shah Mahmud overthrows his brother, Shah Shuja, as leader of the Muzaffarid tribe in Persia.source
• 1359Abu Salim Ali II overthrows Muhammad II as-Said as ruler of the Marinid dynasty, in modern-day Morocco.source
• 1359The Zayanids under Abu Hamuw II recapture Kingdom of Tlemcen in Algeria.source
• 1360June – Valdemar IV Atterdag attacks Skåne and conquers Lindholmen Castle.source
• 1360August – Peace is concluded between Sweden and Denmark with the arbitration in Helsingborg. Magnus IV Eriksson cedes the Scanian lands except northern Halland to Denmark. In return, Valdemar IV Atterdag must help Magnus against his domestic enemies.source
• 1360Muhammed VI overthrows his brother-in-law, Ismail II, as King of Granada (in modern-day Spain).source
• 1360Red Turban Rebellions: Chen Youliang murders Xu Shouhui and proclaims himself the emperor of Han in Wuchang before unsuccessfully attempting to capture Nanjing from Zhu Yuanzhang.source
• 1360Nawruz Beg overthrows his brother Qulpa as Khan of the Blue Horde.source
• 1360Shah Shuja regains rule of the Muzaffarid tribe in Persia after the death of his brother, Shah Mahmud.source
• 1361May 1 – King Magnus Eriksson of Sweden and Norway sends a letter to the citizens of Visby, with a warning of an upcoming Danish invasion.source
• 1361July 27 – Battle of Visby: King Valdemar IV of Denmark conquers the city of Visby by defeating the defending Gutnish country yeomen, and takes Gotland.source
• 1361Chinese rebels capture the Goryeo capital.source
• 1361In the Marinid Empire in modern-day Morocco, Abu Salim Ibrahim is overthrown by Abu Umar, who is in turn overthrown by Abu Zayyan.source
• 1361Great Troubles: the Blue Horde descends into anarchy. Between 1361 and 1378, over 20 khans succeed each other in different parts of the Blue Horde's territory.source
• 1362March – Champa, during the reign of King Po Binasuor, raids Hóa Châu of Đại Việt, then withdraws.source
• 1362April 6 – Battle of Brignais: The Free Companies defeat a French army.source
• 1362April 17 – Kaunas Castle in Lithuania falls to the Teutonic Order, after a month-long siege.source
• 1362July 8 – Valdemar IV of Denmark defeats the Hanseatic League in the naval Battle of Helsingborg.source
• 1362Autumn 1362 or 1363 – Battle of Blue Waters: Grand Duke of Lithuania Algirdas defeats the Tatars, and takes over Kyiv.source
• 1363August 30–October 4 – Battle of Lake Poyang: The Dahan rebel forces of Chen Youliang are defeated by the Red Turban Rebel forces of Zhu Yuanzhang, during the final decade of Yuan dynasty control over China. Zhu's naval forces of 200,000 are pitted against Chen's naval forces of 650,000 troops, in what is not only the largest naval battle of the medieval age, but also one of the largest naval battles in history.source
• 1363August – The Revolt of Saint Titus, against the rule of the Republic of Venice in the Kingdom of Candia (island of Crete), begins.source
• 1363Ottoman Turks seize Filibe (Philippopolis) in Thrace in the Byzantine–Ottoman wars.source
• 1364July 28 – Battle of Cascina: Forces of the Republic of Florence, led by Galeotto Malatesta, defeat those of Pisa.source
• 1364September 29 – Battle of Auray: The Breton War of Succession ends, with the victory of the House of Montfort over Charles of Blois.source
• 1364Rana Kshetra Singh succeeds Rana Hamir Singh, as ruler of Mewar (part of modern-day western India).source
• 1365March 3 – Battle of Gataskogen: Albert of Mecklenburg defeats and captures Magnus Eriksson, obtaining the throne of Sweden.source
• 1365June 2 – The Hungarian occupation of Vidin begins, with the capture of the city by Louis I of Hungary's forces, and the imprisonment of Ivan Sratsimir of Bulgaria.source
• 1365October – Alexandrian Crusade: The city of Alexandria in Egypt is sacked by an allied force of Peter I of Cyprus and the knights of the Order of St. John of Jerusalem.source
• 1365The Sukhothai Kingdom in northern Thailand becomes a tributary state of the Ayutthaya Kingdom.source
• 1365In modern-day southern India, Bahmani Sultan Mohammed Shah I invades the Vijayanagara Empire.source
• 1365The Chagatai Khanate defeats Timur in the Battle of Tashkent.source
• 1366War continues between the Hindu Vijayanagar Empire and the Muslim Bahmani Sultanate in modern-day southern India.source
• 1366Zhu Yuanzhang, leader of the Red Turban Rebellion that will overthrow the Yuan dynasty and establish the Ming dynasty two years later, begins building the walls for a new capital city at Nanjing.source
• 1366Abu Faris Abd al-Aziz I of Morocco succeeds assassinated Abu Zayyan as Sultan of the Marinid Empire in Morocco.source
• 1367February 28 – King Enrique II of Castile sends a letter of challenge to Edward, the Black Prince of England, who has already crossed the Pyrenees into Spain with 27,000 troops, daring him to help King Pedro to reclaim the Castilian throne, prompting Edward to organize an army and invade Spain.source
• 1367March 19 – The Battle of Inglesmendi is fought in the Crown of Castile (now in Spain) by English troops led by Edward the Black Prince and supporters of the recently deposed King Pedro of Castile who are seeking to restore Pedro to the Castilian throne, against the supporters of the reigning King Enrique II. The knight William Felton is killed and his brother Thomas Felton is taken prisoner of war.source
• 1367March 29 – (14th waning of Tagu 728 ME) In what is now Myanmar, Pyanchi becomes the King of Toungoo upon the death of his father, King Theingaba.source
• 1367April 3 – Battle of Nájera: Pedro of Castile is restored as King of Castile (in modern-day Spain) after defeating his half-brother, King Enrique the Fratricidal. Pedro is aided in the battle by the English under Edward the Black Prince, and Henry by the French.source
• 1367April 24 – Otto I, "the Evil", becomes Duke of the independent city of Göttingen (in modern-day Germany) on the death of his father, Ernst I.source
• 1367May 2 – At Burgos in Spain, Edward the Black Prince of England attempts to get himself and his soldiers paid by King Pedro of Castile for their services at the battle of Najera, but receives instead a renewal of a bond to secure the debt owed.source
• 1367July 9 – Guy de Blois, Count of Sissons, held hostage by Enguerrand VII de Coucy, Earl of Bedford, is forced to surrender Soissons to Bedford in return for his freedom.source
• 1367July 26 – At Avignon, Pope Urban V learns of a possible invasion of France by John of Gaunt and his intention to capture Provence, and writes to England's King Edward III to take steps to prevent it.source
• 1367December 28 – During the Red Turban Rebellions, Hu Mei captures Shaowu, while Xu Da and Chang Yuchun capture Jinan, bringing both under the Hongwu Emperor Zhu Yuanzhang's control.source
• 1367Winter – Construction of a stone Moscow Kremlin Wall around the city is begun to resist invasion by the Grand Duchy of Lithuania.source
• 1368March 4 – On behalf of Louis of Anjou, brother of France's King Charles V, Bertrand Du Guesclin and 2,000 troops began a siege of the city of Tarascon, which surrenders to him on March 22.source
• 1368March 7 – Mamluk raid on Cyprus (1368): Acting at the orders of Egypt's Mamluk Sultan al-Ashraf Sha'ban, General Ibrahim al-Tazi lands with 500 troops at Cyprus and begins a 23-day raid.source
• 1368March 29 – Emperor Chōkei accedes to the throne of Japan.source
• 1368March 30 – Mamluk raid on Cyprus (1368): Ibrahim al-Tazi completes raid by Egypt's Mamluk Sultanate on the Kingdom of Cyprus and begins sending back captured treasure.source
• 1368April 4 – The siege of Copenhagen, capital of the Kingdom of Denmark, is started by the Hanseatic League as 37 ships and 2,000 soldiers arrive at the city after sailing from the German city of Lübeck under the leadership of the city's leader, Bruno von Warendorp. The invaders bring with them 400 horses and eight trebuchets (long range catapults) and four regular catapults. While the city falls in four weeks, the Absalon fortress on Slotsholmen island holds out for two months.source
• 1368April 30 – Henry of Trastámara, deposed a year earlier from his position as King of Castile and Leon, captures the city of León after a siege of more than three months.source
• 1368May 2 – Copenhagen, capital of Denmark, falls to the Hanseatic League four weeks after the April 4 invasion of the kingdom and King Valdemar IV is forced to flee while the city is pillaged and looted by troops led by Bruno von Warendorp.source
• 1368June 16 – The siege of Copenhagen by the Hanseatic League ends as the remaining defenders of Absalon Castle surrender and the building is destroyed.source
• 1368September 10 – Xu Da captures the city of Tongzhou after defeating a Yuan army, forcing Huizong to flee to Shangdu.source
• 1368September 14 – General Xu Da captures the Yuan city of Khanbaliq and renames it Beiping ("northern peace"), a forerunner to the current name of Beijing ("northern capital").source
• 1368November 21 – King Algirdas of Lithuania and the Grand Duke Mikhail II of Tver defeat troops of the Grand Duchy of Moscow in the Battle of the Trosna River, and reach the outside of the Moscow Kremlin Wall that surrounds the capital, but find it to be insurmountable and are unable to mount a siege.source
• 1368Mikhail Aleksandrovich becomes the sole ruler of Tver (in modern-day western Russia), after the death of co-ruler and rival Vasiliy Mikhailovich of Kashin.source
• 1368Maha Thammaracha II becomes ruler of the Sukhothai Kingdom (in modern-day northern Thailand) after the death of Maha Thammaracha I.source
• 1368Durrës, the second-largest city in modern-day Albania (at this time known as Dyrrhachium), is captured from the Angevins by Karl Thopia, a powerful feudal prince and warlord.source
• 1368Moscow attacks Tver, which counter-attacks with the aid of Lithuania and the Blue Horde.source
• 1369January 25 – King Charles of France sends a summons to Edward the Black Prince, who is residing at Bordeaux, demanding that Edward appear before the King in Paris to answer for Edward's assessment of taxes on the people of Aquitaine. The Black Prince reportedly responds with the threat "We will willingly attend at Paris on the day appointed since the King of France sends for us, but it shall be with our helmet on our head and 60,000 men in our company".source
• 1369March 14 – King Pedro of Castile loses the Battle of Montiel to French soldiers led by Bertrand du Guesclin and Castilians led by his half-brother, Enrique. Pedro takes refuge in a fortress and offers du Guesclin 200,000 gold coins and a promise of several towns in Castile, in return for betraying Enrique. Afterwards, du Guesclin informs Enrique of the offer.source
• 1369March 23 – Enrique of Castile assassinates King Pedro of Castile after Pedro is betrayed by Bertrand du Guesclin.source
• 1369May 7 – Košice, in Slovakia, becomes the first town in Europe to be granted its own coat of arms as King Louis of Hungary grants the right in a charter in recognition of the city's assistance in the Battle of Rozhanovice.source
• 1369May 9 – At a meeting of the Estates General in Paris, the delegates approve the resumption of hostilities between France and England.source
• 1369May 21 – The Yuan dynasty Chinese warlord of Shaanxi province, Li Siqi, surrenders to the Ming dynasty Emperor Hongwu.source
• 1369June 5 – Jean de Lusignan, regent for the King of Cyprus, uses his navy to attack Sidon in what is now Lebanon, but is then forced to retreat because of a storm.source
• 1369July 9 – Lusignan of Cyprus leads the Cypriots in an unsuccessful attack on Alexandria in Egypt, then retreats, attacks Sidon again on July 19 and then is force by the weather to return to Cyprus, landing back at Famagusta on July 22.source
• 1369July 20 – In the continued conquest of Yuan dynasty China by the Ming dynasty, General Chang Yuchun captures the Yuan capital, Shangdu, forcing the Yuan Emperor Huizong to flee further northward.source
• 1369August 23 – John of Gaunt, Duke of Lancaster, lands with English troops at Calais to begin a raid in France while Philip the Bold, Duke of Burgundy, assembles troops to confront the English invasion. The standoff continues while Lancaster waits for additional troops from the Earl of Warwick.source
• 1369August 24 – Danish–Hanseatic War (1361–1370): After an 18-month siege by the armies of the Hanseatic League and the Kingdom of Sweden, Denmark recaptures Lindholmen Castle and forces a retreat by King Albert of Sweden along with the Hansa and Swedish forces.source
• 1369September 2 – Philip the Bold, Duke of Burgundy, is forced to disband the army that he had assembled to capture Normandy from the control of England, after being ordered by King Charles V of France.source
• 1369September – Hundred Years' War: The French burn Portsmouth, England; the English raid Picardy and Normandy.source
• 1369December – Financed by Charles V of France, Welshman Owain Lawgoch launches an invasion fleet against the English, in an attempt to claim the throne of Wales.A storm causes Owain to abandon the invasion.source
• 1369Venice repels a Hungarian invasion.source
• 1369The Thai Ayutthaya Kingdom conquers Cambodia for a second time.source
• 1369Timur names the city of Samarkand as the capital of his empire.source
• 1369The Ottoman Empire invades Bulgaria.source
• 1370February 18 – The Battle of Rudau is fought between the Teutonic Knights and the Grand Duchy of Lithuania near Rudau village, north of Königsberg (now Melnikovo village in the Kaliningrad oblast). According to the Teutonic chronicler Wigand of Marburg and the Livonian chronicle of Hermann de Wartberge, the Lithuanians suffer a great defeat.source
• 1370April 9 – Timur becomes first Amir of the Timurid Empire, following the Siege of Balkh which establishes his rule over the Chagatai Khanate, completing his conquest of Central Asia and parts of Persia.source
• 1370August 16 – (24th day of 7th month, Shōhei 25) The Japanese era Kentoku begins to reflect the reign of the southern Emperor Chōkeisource
• 1370September 19 – The Siege of Limoges takes place in the course of the Hundred Years' War as the English Army, led by Edward the Black Prince, retakes the of Limoges from the French by storm with wide destruction, effectively ending the Limoges enamel industry.source
• 1370November 26 – Lithuanian–Muscovite War: In retaliation for the attack by the Grand Principality of Moscow on Tver and Bryansk, the Grand Duchy of Lithuania and the Principality of Tver begin a two-day siege of the Muscovite city of Volokolamsk. While the leader of Volokolamsk's defenses, Prince Vasily Ivanovich Berezuysky, is killed, the attackers end the siege without capturing the city, and then march toward Moscow.source
• 1370December 4 – In the Battle of Pontvallain, fought in the Hundred Years' War, a French army under Bertrand du Guesclin heavily defeats an English force in surprise attacks in northwest France.source
• 1370December 6 – Algirdas, Grand Duke of Lithuania, leads a siege of Moscow itself, the capital of the Grand Principality, and his forces burn and pillage the city as Moscow's Grand Prince Dmitry Donskoy retreats to the safety of the Kremlin. Donskoy's allies, his cousin Vladimir the Bold of Serpukhov and Prince Vladimir Dmitrievich Yaroslavich of Pronsk, come to Moscow's aid.source
• 1370December 14 – Moscow and Lithuania reach a truce to end the Lithuanian siege and Grand Duke Algirdas and his Lithuanian forces withdraw.source
• 1370Khun Luang Pa-Ngua, ruler of Suphanburi, marches and usurps the throne of the Ayutthaya Kingdom.source
• 1371February 1 – War of the Lüneburg Succession: In what is now the state of Lower Saxony in north Germany, after the Duke of Brunswick, Magnus Torquatus, attempts to claim his inheritance to rule of the Principality of Lüneburg, residents of the town of Lüneburg destroy the ducal castle that had been owned by the late Prince Wilhelm, and Brunswick relocates his residence to the town of Celle.source
• 1371February 22 – Robert II becomes the first Stuart king of Scotland, after the death of his uncle, King David II, prompting a rebellion by the Earl of Douglas.source
• 1371May – Under the direction of Zhu Yuanzhang, the Emperor Hongwu, the Ming conquest of Xia begins as troops from China, led by Generals Fu Youde and Tang He invade what is now the Sichuan province from the north, while Admiral Liao Yongzhong leads an attack on Xia's east coast and along the Yangtze river.source
• 1371July 21 – John of Gaunt, Duke of Lancaster, resigns his command from the English Army and abandons the attempt to recapture the Duchy of Aquitaine, but remains in France.source
• 1371August 22 – Brabant is unexpectedly defeated by the Duchy of Jülich at the Battle of Baesweiler.source
• 1371September 26 – In the Battle of Maritsa, troops led by Lala Shahin Pasha and Hacı İlbey from the Ottoman Empire overwhelm and kill most of the Serbian defenders, including King Vukašin, his brother Prince Jovan Uglješa, and most of the lords of the Mrnjavčević family. The victory paves the way for the Ottoman Empire to expand into the Balkan Peninsula.source
• 1371October 21 – An attempt on Saint Ursula's Day by the Duke of Brunswick, to defeat the uprising in the principality of Luneberg and to reclaim his title, is unsuccessful.source
• 1371Zhao Bing Fa becomes King of Mong Mao (in modern-day south China/north Myanmar) after the death of his father, Si Kefa.source
• 1371Byzantine co-emperor John V Palaiologos pledges loyalty to the Ottoman Empire, to prevent the Turks from invading Constantinople.source
• 1371Kalamegha claims the vacant title of King of Cambodia after the power of the Thai invaders from Ayutthaya begins to weaken. The Ayutthayans are finally expelled in 1375.source
• 1372May 10 – Owain Lawgoch makes a second attempt to take the throne of Wales, sailing with French support from Harfleur, and issues a declaration of war against England for "having treacherously and covetously... slain my ancestors, kings of Wales," as well as having "by force and power appropriated" the country and submitted its people to divers services, the which country is, and should be, mine by right of succession, by kindred, by heritage, and by right of descent from my ancestors the kings of that country." After attacking the island of Guernsey, Lawgoch will abandon the invasion in order to fight for France at La Rochelle.source
• 1372June 22 – The Kingdom of France and the Crown of Castile defeat the Kingdom of England in the Battle of La Rochelle, and France gains control of the English Channel for the first time since 1340.source
• 1372October 10 – King Peter II of Cyrpus is crowned as King of Jerusalem at a ceremony in Famagusta, although the Christian kingdom in Jerusalem had been dissolved 80 years earlier after the "Holy Land" fell to Muslim control in 1291. Although leaders of the Genoese and Venetian communities at Famagusta appear together at symbolic ceremonies to hold the two reins of the King's horse, an argument over which leader would hold the rein on the right and who would hold the remaining rein on the left leads to a fight between the two communities after the Venetian leader is allowed to hold the rein on the right. With the Venetian winning the privilege, the Republic of Genoa organizes an expedition to invade and conquer Cyprus.source
• 1372October 24 – (22 Rabi’ al-Thani 774 AH) ; Four-year-old Muhammad III ibn Abd al-Aziz succeeds his father, Abu Faris Abd al-Aziz I, as Marinid Sultan of Morocco.source
• 1372Encounter of Sintra: Twenty Portuguese knights rout four hundred Castilian infantrymen of the country.source
• 1373January 13 – King Charles VI of France issues an ordinance to reform the kingdom's defense forces, with a goal of improving efficiency and discipline. For the first time, captains of regiments of soldiers are required to pay their men directly and report the accounting to their superiors, who are required to audit the reports. Previously, the captains pocketed the wages and allowed their men "to pay themselves by pillage."source
• 1373February 16 – King Edward III of England appoints Lord Salisbury to command a fleet of English and Genoese galleys and 1,700 soldiers to fight in the Duchy of Brittany.source
• 1373March 21 – The Battle of Chiset is fought between France and England near what is now Chizé in Deux-Sèvres département in France. The French force of 1,500 defenders, led by Bertrand du Guesclin overwhelms 700-man English force led by Baron Devereux, who is taken prisoner of war.source
• 1373March 21 – The Battle of Chiset is fought at Chizé between English and French forces during the Hundred Years' War. The French had laid siege to the town and the English sent a relief force. The French, led by Bertrand du Guesclin, met the relief force and defeated it.Francesource
• 1373April 28 – Hundred Years' War: The French re-capture most of Brittany from the English, but are unable to take Brest, and John IV, Duke of Brittany, is forced into exile.source
• 1373April 28 – Hundred Years' War: The French re-capture most of Brittany from the English, but are unable to take Brest.Francesource
• 1373May 6 – Byzantine co-emperor Andronikos IV Palaiologos allies with Savcı Bey, the son of the Ottoman Sultan Murad I, rebels against his father, John V Palaiologos, for agreeing to let Constantinople become a vassal of the Ottoman Empire, but the rebellion fails.source
• 1373May 7 – The troops of the Papal States and of the county of Savoy and the French mercenary Enguerrand VII de Coucy, defeat the Visconti, rulers of the Lordship of Milan in the Battle of Montichiari and stop Milan's attempts to expand its empire within Italy.source
• 1373July 1 – Marquard of Randeck, Prince-Bishop of Augsburg, who had joined an alliance in a war against the Republic of Venice, is defeated in the Battle of Fossa Nuova, near Treviso, after the Doge of Venice, Andrea Contarini, hired Turkish mercenaries. Randeck is forced to negotiate surrender terms and sign a peace treaty.source
• 1373August 4 – Hundred Years' War: John of Gaunt launches a new invasion of France, setting out with 15,000 men from Calais and marching through Picardy, Champagne and Burgundy, "burning and destroying as he advancedsource
• 1373August 9 – John of Gaunt's chevauchée of 1373: John of Gaunt, Duke of Lancaster, launches an English military raid of France. Despite the devastation caused by the raid over its five month period, it was a failure for the English crown because of the weak military and political results, and the enormous losses.Francesource
• 1373September 9 – Władysław the White (Władysław Biały), formerly the Duke of Gniewkowo begins a rebellion against the Kingdom of Poland in an attempt to become the kingdom's monarch rather than the King of Hungary. He begins an attempt to reestablish his duchy, capturing Gniewkowo, Włocławek, Inowrocław and Złotoria, but ultimately fails after he flees to Zlotoria in 1376 and is besieged there, surrendering in 1377.source
• 1373September 9 – The French attack an isolated English corps at Oulchy, killing its captain Walter Hewitt and numerous men, and capturing several knights and squires, including Thomas Despenser, brother of the Constable of England Thomas of Woodstock, Duke of Gloucester.Francesource
• 1373September 22 – The English arrived before Troyes, but are met by Constable of France Bertrand du Guesclin, Olivier V de Clisson, Louis II of Bourbon, the Duke of Burgundy and more than 7,000 men in garrison who had been waiting for them for a week. This prevented any English attempt to march on Paris through Gâtinais. The English left, around September 25.Francesource
• 1373November 25 – Philip II, Prince of Taranto hands over the rule of Achaea (modern-day southern Greece) to his cousin, Joanna I of Naples.source
• 1373A city wall is built around Lisbon, Portugal to resist invasion by Castile.source
• 1374February 3 –After invading Cyprus, the Republic of Genoa bombards the city of Kyrenia, but the Cypriots repel the invasion and force the Genoese to retreat to Nicosia.source
• 1374March 3 – Genoa makes a second assault on Kyrenia in Cypturs by land and sea and overcomes the defenders.source
• 1374September 12 – King Jayasthiti Malla of Nepal leads soldiers into battle against the Kingdom of Patan and captures its capital, Bhadagon, as well as imprisoning and killing 53 of the Patan leaders.source
• 1374October 8 – Shaikh Hasan Jalayir became the ruler of the Jalayirid Sultanate, in what is now Iraq, as the eldest son of the late Shaykh Uways Jalayir, who had been Sultan since 1356, but would reign for only one day.source
• 1374Rao Biram Dev succeeds Rao Kanhadev as ruler of Marwar (the modern-day Jodhpur district of India).source
• 1374Princes from the Kingdom of Granada choose Abu al-Abbas Ahmad to succeed Muhammad as-Said, as Sultan of the Marinid Empire in Morocco. The Empire is split into the Kingdom of Fez and the Kingdom of Marrakesh.source
• 1374Musa II succeeds his father, Mari Djata II, as Mansa of the Mali Empire (modern-day Mali and Senegal).source
• 1375March 31 – In the Principality of Nizhny Novgorod-Suzdal (now part of Russia), the Grand Prince Dmitry of Suzdal oversees the massacre of the Tatar prisoners of war who had been captured during the Blue Horde's unsuccessful attempt by Sary-Aka to incite a rebellion against the principality's domination by Moscow.source
• 1375April 14 – The Mamluks from Egypt complete their conquest of the Armenian Kingdom of Cilicia. King Levon V is imprisoned for several years in Cairo, until a ransom is paid by King John I of Castile.source
• 1375May 1 – The third war between the Kingdom of Hungary and the Ottoman Empire as the 40,000 Hungarian troops, led by King Lajos of Hungary depart from Várad (now Oradea in Romania) and march into the Principality of Wallachia, whose ruler, Vladislav, has recently changed his alliance from Hungary to the Ottoman sultanate.source
• 1375July 3 – The fortress of St. Sauveur le Viconte surrenders to a French fleet commanded by Jean de Vienne after a siege of more than six months.source
• 1375September 4 – In the Duchy of Aquitaine, now part of France but at the time ruled by the King of England, the civic leaders of the town of Soule sign an agreement with Gaston III of Foix, popularly known as "Fébus", for his protection against raids from John of Gaunt.source
• 1375Approximate date – Battle of Gardiki: The Principality of Achaea defeats the Despotate of the Morea.source
• 1375The Grand Duchy of Moscow and Tver sign a truce. Tver agrees to help Moscow fight the Blue Horde.source
• 1375The Russian town of Kostroma is destroyed by the ushkuynik pirates from Novgorod.source
• 1376July 6 – The Swiss city of Basel is placed under an imperial ban by the Habsburg dynasty's Leopold III, Duke of Austria because of the February 26 riot.source
• 1376August 12 – With the help of the Genoese, Byzantine co-emperor Andronicus IV Palaeologus invades Constantinople and dethrones his father, John V Palaeologus, as co-emperor. John V Palaeologus is taken prisoner.source
• 1376William de Windsor was summoned to England after complaints about his conduct by the elected representatives of the settlers, resulting in the dismissal of the officers appointed by him.Irelandsource
• 1377February 24 – In southern India, Harihara II succeeds Bukka Raya I, as ruler of the Vijayanagara Empire at its capital, Vijayanagara (now Hampi in Karnataka state).source
• 1377March 21 – John Minsterworth, who had plotted a French invasion of the Kingdom of England in conjunction with France's King Charles V, is arrested in Pamplona, and letters to him regarding the proposed invasion are discovered. Minsterworth is taken first to Bordeaux in France and then returned for imprisonment in the Tower of London, where he reveals plans for a May 1378 invasion by the French Navy. Convicted of treason, he is executed on April 12 and his body is drawn and quartered.source
• 1377August 2 – In the Battle on Pyana River, part of the Golden Horde Dynastic War, an alliance of five Russian principalities is defeated by the Mongol Blue Horde (a part of the Golden Horde), led by Arapsha Khan. According to a later Russian account, Chronicle On The Slaughter at Pyana River, the Russian troops had been drinking mead and beer while waiting at the river for the Golden Horde attack and are intoxicated when Arapsha's troops attacked from five directions. The Russian commander, Prince Ivan Dmitriyevich of Nizhny Novgorod and staff attempt to retreat across the Pyana River and drown, and the river itself, Arapsha Khan and his troops then take over Nizhny-Novgorod with no opposition. The name of the river itself derives from the Russian language word for "drunk", пьяный (pyanyy).source
• 1377November 30 – The Battle of Fornarina is fought in Italy when the independent village of San Ginesio (now in Italy's Macerata province) is invaded by mercenaries from the larger city of Fermo from a neighboring province. As the mercenaires cross through an unguarded and open gate, a baker in the middle of baking bread hears the troops approach, throws hot ashes into the first line of soldiers, and alerts the Ginosan troops who drive the invaders up a hill and over the side of a steep cliff.source
• 1377A rebellion against the Majapahit Empire is quashed in Sumatra in what is now Indonesia.source
• 1378May 30 – The War of Chioggia begins on the Italian peninsula between the navies of the Republic of Venice and the Republic of Genoa, with a surprise attack on 11 Genoese galleys at Capo d'Anzio by a 10-galley fleet led by Venetian Admiral Vettor Pisani. Venice captures five of the Genoese ships and takes their crews as prisoners of war, including the Genoese admiral, Luigi de' Fieschi.source
• 1378June 17 – In the wake of the recent defeat of the Genoese Navy at the battle of Capo d'Anzio, Domenico di Campofregoso, Doge of the Republic of Genoa, is removed from office by the Genoese Senate and replaced by Nicolò Guarco.source
• 1378July 21 – The Ciompi Revolt becomes violent in the Republic of Florence as a group of 64 discontented wool carders, led by Salvestro de' Medici, briefly take over the government of Florence and place Michele di Lando in the executive office.source
• 1378August 4 – Gian Galeazzo Visconti succeeds his father, Galeazzo II Visconti, as ruler of Milan.source
• 1378August 11 – Battle of the Vozha River: Prince Dmitri Ivanovich of Moscow resists a small invasion by the Mongol Blue Horde under Mamai.source
• 1378Tokhtamysh dethrones Temur-Malik to become Khan of the White Horde.source
• 1378Mathew, son of Redmond de Bermingham, takes up station at Tallaght Castle to resist the O'Byrnes.Irelandsource
• 1379February 28 – In what is now part of Kazakhstan and Russia, Tulak Khan of Borjigin is confirmed by the Beylerbey Mamai of the Golden Horde, with the approval of the ruler Tokhtamysh, after Mamai arranges the assassination of Tulak's cousin, the former khan.source
• 1379March 24 – The First War of the Guelderian Succession ends after eight years of fighting in what is now the German state of North Rhine-Westphalia, between Wilhelm of Jülich and the Duchess Mechteld of Guelders. Duchess Mechteld, wife of John II, Count of Blois, who renounces all claims to further rule after a defeat at the Battle of Hönnepel. In return for her surrender of claims to Guelders, she receives an annual pension of 33,000 gold pieces.source
• 1379May 7 – The Battle of Pola is fought in the Adriatic Sea between the navies of the Republic of Genoa and the Republic of Venice. The Venetian fleet, commanded by Admiral Vettor Pisani loses 19 of its 25 galleys in the battle, but Genoese Admiral Luciano Doria is killed in the battle. One of Doria's lieutenants conceals the admiral's death from the rest of the sailors by donning the admiral's clothes. Admiral Pisani is put in prison upon his return to Venice, but later released when Genoa invades in the Battle of Chioggia.source
• 1379July 1 – Forces of the Republic of Venice and Ottoman Turks, having invaded Constantinople, restore John V Palaiologos as Byzantine co-emperor. Andronikos IV Palaiologos is allowed to remain as co-emperor, but is confined to the city of Silivri for the remainder of his life.source
• 1379August 16 – The Republic of Genoa, led by the Doge Nicolò Guarco and its allies from Hungary and Padua, captures Venice's port of Chioggia and seize the Venetian Army garrison there and soon threaten to take Venice and the Venetian Republic. An attempt by the Venetian Senate to apply for peace is rejected as Genoa demands a full surrender, and the Venetians resolve to fight, releasing Admiral Pisani from prison.source
• 1379September 14 – Andrea Contarini, Doge of Venice, announces to the besieged Venetians that the Republic will fight Genoa rather than surrender their nation.source
• 1379December 22 – Andrea Contarini, the Doge of the Republic of Venice, directs Admiral Pisani to blockade the port of Genoa, effectively trapping the Genoese fleet and preventing the occupation of Venice.source
• 1379In the Hundred Years' War, the French lose control of most of Brittany to the English.source
• 1379Dmitry Donskoy of Moscow raids Estonia.source
• 1379Timur conquers the Sufid Dynasty of Khwarazm.source
• 1380January 1 – The Republic of Venice's Admiral Carlo Zeno returns to Venice with 18 ships, after the city is on the verge of falling to conquest by the Republic of Genoa.source
• 1380January 30 – Simon Sudbury, the Archbishop of Canterbury, becomes the new Lord Chancellor of England, succeeding Baron Scrope of Bolton. Sudbury will continue in office as both archbishop and lord chancellor until his assassination on June 14, 1381, during the Peasants' Revolt.source
• 1380February 12 – Hu Weiyong, the Grand Chancellor of Ming dynasty China, is accused of treason and executed as the Emperor Zhu Yuanzhang (Emperor Hongwu) begins a purge of over 30,000 people perceived as opponents of the Imperial government.source
• 1380March 13 – The southern England town of Winchelsea in East Sussex is attacked and burned by an expeditionary force from France for a second time.source
• 1380June 24 – At the Battle of Chioggia, the navy of the Republic of Venice, with 48 galleys, defeats the invading fleet of the Republic of Genoa, clearing a blockade of the Venetian harbor, regaining control of the Adriatic Sea, and beginning the dominance of the Venetian Navy. Venice supplements its fleet with the capture of 17 of Genoa's ships.source
• 1380September 8 – At the Battle of Kulikovo, Russian forces under Grand Prince Dmitry Donskoy of Moscow resist a large invasion, led by Mamai Khan, commander of the Blue Horde of Lithuania and Ryazan, stopping their advance.source
• 1380Khan Tokhtamysh of the White Horde dethrones Mamai of the Blue Horde. The two hordes unite to form the Golden Horde.source
• 1381January 14 – Thomas of Woodstock, Duke of Gloucester and son of the late King Edward III of England, ends his siege of the French city of Nantes after two months, having started on 8 November 1380.source
• 1381March 14 – The Italian town of Chioggia concludes an alliance with the Croatian towns of Zadar and Trogir against the Republic of Venice, which lsts until 1412.source
• 1381April – (Muharram 783 AH) In what is now Afghanistan, the Siege of Herat by the Mongol conqueror Timur ends with the Persian city surrendering to the Mongols, in return for the populace being spared.source
• 1381May 21 – Al-Salih Hajji succeeds his older brother, Al-Mansur Ali II as the Mamluk Sultan of Egypt. The Egyptian government continues to be controlled by rebel leader Barquq.source
• 1381June 12 – Peasants' Revolt: In England, rebels from Kent and Essex, led by Wat Tyler and Jack Straw, meet at Blackheath. There the rebels are encouraged by a sermon, by renegade priest John Ball.source
• 1381June 15 – (23rd day of 6th month of Kowa) – In Japan's Higo Province, Imagawa Sadayo and Imagawa Nakaaki capture Kikuchi Castle and Somedo Castle.source
• 1381July 17 – The Battle of Saltes Island is fought off of the coast of Spain between the navies of the Kingdom of Portugal and the Crown of Castile, with all but one of the Portuguese fleet of 23 galleys being captured, and their crews taken prisoner, by a smaller force of 17 galleys commanded by Fernando Sánchez de Tovar.source
• 1381July 21 – Gaston III of Foix, commonly known as Gaston Fébus, launches an attack against the regents for King Charles V of France, defeating a brigade of 2,500 mercenaries enlisted by one of the regents, the Duke of Berry.source
• 1381August – Kęstutis overthrows his nephew, Jogaila, as Grand Duke of Lithuania. Jogaila is allowed to remain as governor of eastern Lithuania. This marks the beginning of the Lithuanian Civil War (1381–84).source
• 1381October 14 – Fishmonger John Northampton is elected as Lord Mayor of London to succeed Sir William Walworth, who had retired after suppressing Wat Tyler's rebellion.source
• 1381December 26 – Count Febus of Foix and the Duke of Berry meet at Capestang and work out an agreement to end their war, with the Duke agreeing to cease support of Febus's enemies, the Armagnacs, and Febus agreeing to recognize the Duke's authority over Languedoc.source
• 1381Timur conquers east Persia, ending the rule of the Sarbadar dynasty.source
• 1381McDonaghs take possession of Ballymote Castle, County Sligo from the Mac DiarmadaIrelandsource
• 1382March 3 – The Mailottins massacre takes place in Paris when revenue agents for King Charles VI arrive at the Les Halles market to collect taxes. The agents are killed by a mob of almost 500 merchants, and the number of people involved increases to several thousand, with the rioters seizing a large store of iron mallets (mallots) at the Place de Greve. Armed with heavy weapons, the mallotins begin attacking and looting churches, businesses, government offices and homes of wealthy people and then attack the Jewish section of city. An estimated 30 people are killed by the mob.source
• 1382March 5 – King Charles VI arrives at the gates of the walled city of Paris and, with the Duke of Burgundy as his intermediary, attempts to negotiate peace to end the rebellion in Paris. While their demands are not met, the mob opens the cells of the city's prisons and frees the persons incarcerated.source
• 1382March 10 – (24th day of Leap Month of Kōwa 2) Kusunoki Masanori, fighting for Southern Japan, is defeated in a battle at Kawachi Hirao with Yamana Ujiyoshi and is forced to retreat back to Tokyo.source
• 1382March 29 – Troops commanded by the King of France and the Duke of Burgundy liberate Rouen from rebel control, without resistance, and all but 12 of the rebels are spared from execution.source
• 1382April 9 – Ming dyansty China, ruled by the Emperor Zhu Yuanzhang, completes the conquerst of Yunnan the remaining portion of China still occupied by the Yuan dyansty in what is now the Yunnan province. General Fu Youde leads 250,000 Ming Chinese troops overwhelming the smaller Yunnan force of Mongol and Chinese Muslim troops.source
• 1382August 23 – The Siege of Moscow begins as Tokhtamysh, khan of the Golden Horde attacks the capital of the Principality of Muscovy while its ruler, Prince Dmitry Donskoy, is away seeking assistance from other Russian princes.source
• 1382August 26 – After three days, Tokhtamysh promises the highest ranking official in Moscow, Prince Ostei, that if a peaceful surrender can be negotiated, the Tatars of the Golden Horde will spare the population. As Ostei opens the gate of the walled city and walks out with his team, Tokhtamysh kills the Russian group and his troops begin looting, raping and killing the Moscow residents.source
• 1382November 27 – After a five-year revolt, Barquq deposes Hajji II as Mamluk Sultan of Egypt, marking the end of the Bahri Dynasty and Qalawunid Dynasty, and the start of the Burji Dynasty.source
• 1382November 27 – Battle of Roosebeke: A French army under Louis II, Count of Flanders defeats the Flemings, led by Philip van Artevelde.source
• 1382Ahmed deposes his brother, Hussain, as ruler of the Jalayirid Dynasty in western Persia.source
• 1382Dawit I succeeds his brother Newaya Maryam, as Emperor of Ethiopia.source
• 1382Ibrahim I is selected to succeed Husheng, as Shah of Shirvan (now Azerbaijan).source
• 1382The Ottomans take Sofia from the Bulgarians.source
• 1382Balša II of Zeta conquers Albania.source
• 1382Khan Tokhtamysh of the Golden Horde overruns Muscovy, as punishment for Grand Prince Dmitry Donskoy's resistance to Khan Mamai of the Blue Horde in the 1370s. Dmitry Donskoy pledges his loyalty to Tokhtamysh, and is allowed to remain as ruler of Moscow and Vladimir.source
• 1382Rana Lakha succeeds Rana Kshetra Singh, as ruler of Mewar (now part of western India).source
• 1383February 11 – King Carlo III of Naples confiscates the property of Pietro d'Enghien and Luigi d'Enghien (both of whom are in Venice) and declares them both to be rebels against the Neapolitan crown.source
• 1383May 5 – (3rd waxing of Nayon 745 ME) In what is now Myanmar, Prince Binnya Nwe begins a rebellion against his aunt, the regent Maha Dewi of Hanthawaddy, as he and 30 of his men seize the governor's residence at Dagon, near Yangon.source
• 1383June 16 – At a meeting of the Polish nobles at Sieradz, Siemowit IV, Duke of Masovia announces that he will claim the crown as King of Poland. Queen Elizabeth of Hungary sends an army of 12,000 soldiers two months later to devastate the Duchy of Masovia and its capital, Warsaw, forcing Siemowit to give up his claims to the throne .source
• 1383August 27 – (End of Tawthalin 745 ME) Queen Maha Devi gives word to the army of Hanthawaddy that she will suppress the rebellion by Prince Binnya Nwe, with an attack to be launched at the end of Burma's rainy season.source
• 1383September 19 – In Macedonia in Greece, the city of Serres is conquered and occupied by forces of the Ottoman Empire and renamed Siroz. Under the terms of surrender, the Greek population keeps control of the churches and most homes inside the walled city, while the Ottoman Turks settle outside the walls, which are eventually torn down.source
• 1383October 28 – (3rd waxing of Nadaw, 745 ME) With the rainy season over in Burma, Queen Maha Dewi of Hanthawaddy dispatches armies from Pegu, Martaban and Myaungmya to attack her rebel nephew, Binnya Nwe, at Dagon.source
• 1383November 19 – (10th waning of Nadaw 745 ME) The Pegu army of Smin Maru is driven back by the rebel Nwe, while General Zeik-Bye declines to intervene.source
• 1383December 10 – (12th waning of Pyatho 745 ME) After breaking through Queen Maha Dewi's last defenses, Binnya Nwe's troops reach the walls of Pegu and forces a stalemate between Queen Maha and Prince Nwe.source
• 1383December 16 – As Queen Beatriz of Portugal flees Lisbon toward Alenquer. João, Master of Aviz is declared to be the new regent.source
• 1383The Teutonic Knights recommence war against pagan Lithuania.source
• 1384January 26 – England and France agree to a truce and ceasefire in the ongoing Revolt of Ghent. The Kingdom of Scotland goes to war to retake Scottish territory occupied by the English Army.source
• 1384February 4 – Scottish forces make an attack against English occupation forces in Scotland and recapture Lochmaben Castle and Teviotdale.source
• 1384February 11 – In protest of former mayor Northampton's arrest in London, local businessman and shoe manufacturer John Constantine incites other business owners to close their shops and to disrupt commerce. Constantine is then arrested and beheaded at Cheapside for leading an insurrection, and his severed head is placed on the Newgate entrance to the London Wall.source
• 1384May 29 – The army of the Crown of Castile army begins the siege of Lisbon, capital of the Kingdom of Portugal.source
• 1384July 19 – Portugal's Navy, with 34 ships, breaks the Castilian blockade of bhe besieged city of Lisbon, defeating a force of 53 Castilian ships in the Battle of Tejo.source
• 1384September 3 – The siege of Lisbon by the Castilian Army ends as the Portuguese defenders protect the capital of the kingdom of Portugal.source
• 1384Timur conquers the northern territories of the Jalayirid Empire, in western Persia.source
• 1384Zain Al-Abidin succeeds his father, Shah Shuja, as ruler of the Muzaffarids in central Persia.source
• 1385February 14 – John of Gaunt, Duke of Lancaster, son of the late King Edward III of England and uncle of King Richard II, flees London after learning during a joust that he has been targeted for assassination by the King's advisors Thomas Mowbray, 1st Duke of Norfolk and Robert de Vere, 9th Earl of Oxford; and John de Montacute, Earl of Salisburysource
• 1385February – Bugaya becomes the new Sultan of Kano in what is now northern Nigeria, upon the death of his brother Yaji I.source
• 1385March 22 – From the port of Sluis (now in the Netherlands), the Kingdom of France dispatches a fleet of ships, carrying an army of 1,315 soldiers, 300 crossbowmen and 200 assistants, to aid the Kingdom of Scotland in defense of an invasion by the Kingdom of England. The fleet arrives at the Scottish port of Leith, near Scotland's capital, Edinburgh, on March 25.source
• 1385May 6 – Gian Galeazzo Visconti leads a coup d'etat against his uncle, Bernabò Visconti, Lord of Milan and begins conquests to transform Milan into a Duchy, with himself as the Duke of Milan.source
• 1385May 14 – The two-day Battle of Sluys concludes on the North Sea off of the coast of the Netherlands as England's Royal Navy, led by the Admiral, Thomas Percy, 1st Earl of Worcester attempts to blockade the Flemish port of Sluis and more than 100 ships stationed there. Jean de Vienne, Admiral of France, makes a successful counter-attack and the Royal Navy ships sail back to England to defend London.source
• 1385May 29 – The Battle of Trancoso is fought between the Kingdom of Portugal and the Crown of Castile after a Castilian army pillages and burns the city of Viseu. As the Castilians are marching back with their plundered loot and prisoners, they are met by the Portuguese Army, which kills more than 400 soldiers along with six of the seven Castilian officers, then recovers the stolen treasure and releases all of the Portuguese citizens taken prisoner.source
• 1385June 10 – English invasion of Scotland (1385): Preparing to lead invade Scotland as soon as the truce between England and Scotland expires on July 15, King Richard II of England assembles an army at Nottingham.source
• 1385July 8 – English invasion of Scotland (1385): King Robert II of Scotland sends two armies of Scottish soldiers and French mercenaries south from Edinburgh and raids the English county of Northumberland.source
• 1385July 16 – King Richard II directs suppliers in Durham, Yorkshire, Northumberland, Cumberland and Westmorland to be prepared to supply food to the English Army, to be purchased "at a reasonable price for ready payment."source
• 1385August 6 – English invasion of Scotland (1385): After setting off from Berwick-upon-Tweed, the English Army invades Scotland. The English soldiers quickly run out of food, since to supply lines have been created and the residents of the border towns in Scotland have fled, taking their food with them.source
• 1385August 14 – Battle of Aljubarrota: John of Aviz defeats John I of Castile in the decisive battle of the 1383–85 Crisis in Portugal. John of Aviz is crowned King John I of Portugal, ending Queen Beatrice's rule, and Portugal's independence from the Kingdom of Castile is secured.source
• 1385August 15 – English invasion of Scotland (1385): With England's Army having left its borders undefended, Scottish and French troops invade England and plunder Cumberland in retaliation for the burning of Edinburgh.source
• 1385August 17 – English invasion of Scotland (1385): Having accomplished nothing but destruction of property, the English Army begins its withdrawal from Scotland and returns to England.source
• 1385August 31 – King Richard II of England begins an invasion of Scotland. The English burn Holyrood and Edinburgh, but return home without a decisive battle.source
• 1385September 7 – Scottish and French troops unsuccessfully try to besiege the walled city of Carlisle in England, but Sir Henry Percy, nicknamed "Hotspur" breaks the siege and the attackers withdraw to Scotland, ending the war between the two kingdoms.source
• 1385September 18 – Battle of Savra: Serbian forces under Balša II and Ivaniš Mrnjavčević are defeated by Ottoman commander Hayreddin Pasha, near Berat.source
• 1385October 15 – Battle of Valverde: The armies of Portugal defeat Castile.source
• 1385The Hongwu Emperor of China's Ming dynasty relents after eighteen tribute missions over the previous eight years, and agrees to invest King U of Goryeo.source
• 1385Tokhtamysh of the Golden Horde conquers parts of the Jalayirid Sultanate in western Persia, causing a rift between himself and Timur of the Timurid Empire, who had also wanted to conquer Persia.source
• 1385Battle of Tochar Cruachain-Bri-EleIrelandsource
• 1386January 14 – The Austrian garrison at Meienberg responds to the overtures from the Swiss canton of Lucerne and kills over 140 of the Swiss Confederacy troops, starting a war between the two nations.source
• 1386February 24 – Elizabeth of Bosnia, the mother of the overthrown Queen Mary of Hungary and Croatia, arranges the assassination of Charles III of Naples, the ruler of Hungary, Naples, Achaea and Croatia, with the result that Mary is reinstated as Queen of Hungary and Croatia; Charles' son, Ladislaus, becomes King of Naples; and a period of interregnum begins in Achaea, lasting until 1396. The rule of Achaea is sought by numerous pretenders, none of whom can be considered to have reigned.source
• 1386July 9 – Battle of Sempach: Soldiers from cantons of the Old Swiss Confederacy defeat the Austrian Habsburg Army in a battle that leads to the unification of the cantons into the nation of Switzerland.source
• 1386November 21 – The Mongol conqueror Timur, called "Tamerlane" in the west, captures and sacks the Georgian capital of Tbilisi, taking King Bagrat V prisoner.source
• 1386December 24 – Al-Burhan Ahmad al-Zahiri, (Burhan), Khalid al-Himsi, and Amin ad-Din Ibn al-Najib, arrested in September on charges of conspiring to assassinate the Egyptian Sultan Barquq, are brought to Cairo to face trial.source
• 1387March 11 – Battle of Castagnaro: Padua, led by John Hawkwood, is victorious over Giovanni Ordelaffi of Verona.source
• 1387March 25– The Battle of Margate, a naval battle off the coast of England at Margate, ends with the England navy, commanded by the Earl of Arundel, victorious over a combined fleet of shipsf rom the Kingdom of France, the Crown of Castile and the County of Flanders.source
• 1387April 12– Admiral Arundel of the English Navy brings 68 captured ships from Margate battle to the port of Orwell.source
• 1387May 1– With a larger squadron of almost 60 ships, Arundel departs from Orwell and sails to the British-controlled French port of Brest, at the time under siege by Jean de Montfort.source
• 1387May 17– At Caffa, one of the Balkan colonies of the Republic of Genoa, the Genoese Army thwarts an attack at Solkhat (Sorcati) by the Tatars.source
• 1387May 28– Anticipating a war with Burma, China's Emperor orders the troops at his forts on the Burmese border to increase the height of their walls and to begin making gunpowder to increase their supply.source
• 1387June 4 – Queen Mary of Hungary is rescued from imprisonment after being held captive by Croatian rebels.source
• 1387July 14 – The Chinese Army commander, General Feng Sheng, leads troops across the Liao River defeats Naghachu's Mongol troops and takes Naghachu as a prisoner of war.source
• 1387September 8 – General Feng Sheng is removed from command of the Chinese Army by Emperor Zhu Yuanzhang and replaced by General Lan Yu.source
• 1387November 17 – The three rebel Lords Appellant— Thomas of Woodstock, 1st Duke of Gloucester, Richard FitzAlan, 11th Earl of Arundel and Thomas de Beauchamp, 12th Earl of Warwick arrive at King Richard's palace at Westminster after traveling with 300 men on horseback to confront the King, and effectively take control of the government of England. The Lords demand that advisers Neville, Pole, De Vere, Tresilian and Brembre be held in custody until a trial can take place, and the King agrees after they threaten to take the government by force.source
• 1387November – The Emperor Zhu Yuanzhang of China directs General Lan Yu to attack the Mongol forces led by Tögüs Temür, whom the Emperor Zhu had deposed. The confrontation between Lan Yu and Tögüs Temür will culminate six months later at the Battle of Buir Lake, 500 mi north of Beijing.source
• 1387December 19 – At the Battle of Radcot Bridge in England, forces loyal to King Richard II are defeated by the Lords Appellant, a group of three rebellious barons—. King Richard is taken prisoner, and not freed until he agrees to dismiss all the councillors in his court. Richard continues as the nominal King of England, with the Lords Appellant administering the kingdom.source
• 1387Khan Tokhtamysh of the Golden Horde invades the Timurid Empire, but has to withdraw soon after, due to heavy snow.source
• 1387Timur conquers the Muzaffarid Empire in central Persia, and appoints three puppet rulers.source
• 1387Maghan II succeeds his brother, Musa II, as Mansa of the Mali Empiresource
• 1388April 9 – At the Battle of Näfels, the Canton of Glarus, in alliance with the Old Swiss Confederacy, decisively defeats the Duchy of Austria and the Habsburgs, despite being outnumbered 16 to one.source
• 1388May 18 – At the Battle of Buyur Lake, an invasion force from Ming dynasty China, under General Lan Yu defeats a large Mongolian army led by Uskhal Khan Tögüs Temür, and captures 100 members of the Northern Yuan Dynasty. Uskhal Khan will be killed later while trying to escape. The invading Chinese army destroys Karakorum, the capital of the Mongol Empire.source
• 1388May 22 – Wihwado Retreat: In Korea, General Yi Song-gye disregards the orders of the Emperor U of Goryeo to attack China, leads his troops away from Wihwa Island, and leads an attack on the Korean capital, Kaesong.source
• 1388June 3 – General Yi Song-gye overthrows the Emperor U of Goryeo and installs U's son, Chang of Goryeo, as the new Emperor.source
• 1388August 5 – Battle of Otterburn: A Scottish army, led by James Douglas, defeats an English army, capturing their leader, Harry Hotspur. Douglas is killed during the battle.source
• 1388August 27 – Battle of Bileća: The Bosnians check the Ottoman advance.source
• 1388September 20 –Ghiyas-ud-Din Tughluq II succeeds Firuz Shah Tughlaq as Sultan of Delhi.source
• 1388December 12 – Maria of Enghien sells the Lordship of Argos and Nauplia to the Republic of Venice.source
• 1388Mircea I of Wallachia takes control of the region of Dobruja, thus preventing its occupation by the Ottomans.source
• 1388Ramesuan is reinstated as King of Ayutthaya (modern-day southern Thailand), after dethroning and executing 17-year-old King Thong Lan.source
• 1388Goryeo Revolution: General Yi Seong-gye begins a four year revolution in Goryeo (modern-day Korea), after being ordered by King U of Goryeo to attack the superior Chinese army. King U is forced from power, and replaced by his son Chang.source
• 1388Omar I is succeeded by Sa'id, as King of the Kanem-Bornu Empire (modern-day east Chad and Nigeria). Sa'id is succeeded in the same year by Kade Alunu. Omar and Sa'id are both killed by Bilala invaders from the west.source
• 1389January 19 – In Ming dynasty China, General Lan Yu is rewarded by the Emperor Zhu Chongba of the Hongwu era for his victory over Mongol invaders in 1388. Lan Yu is given the title Duke of Liang, with rule over what is now the Gansu province.source
• 1389February 24 – Queen Margaret of Norway and Denmark defeats Albert, King of Sweden in battle and becomes ruler of all three kingdoms. Albert is deposed from the Swedish throne and taken prisoner.source
• 1389April 1 – Following the Battle of Sempach, a seven-year peace agreement is concluded between the Duchy of Austria and the Old Swiss Confederacy.source
• 1389June 2 – Al-Salih Hajji becomes the Mamluk Sultan of Egypt and Syria a second time, replacing the Sultan Sayf ad-Din Barquq after having previously reigned from 1381 to 1382. Al-Salih rules until 1 February 1390, when he is overthrown by Barquq.source
• 1389June 15 – At the Battle of Kosovo, The Ottoman Empire and the Serbs fight an inconclusive clash, with both sides suffering heavy losses. Both Sultan Murad I and Serbian Prince Lazar Hrebeljanovic are killed in the battle.source
• 1389June 16 – The day after the Battle of Kosovo, Bayezid I succeeds his father Murad I as Ottoman Sultan, and Stefan Lazarević succeeds his father Lazar as ruler of Serbia.source
• 1389September 10 – In Greece, Andronikos Asen Zaccaria, chief law enforcement officer of the Principality of Achaea, ruled by the Republic of Genoa, imprisons the Duke of Athens, Nerio Acciaioli, after the Navarrese commander Pedro de San Superano had invited Acciaioli to discuss peace.source
• 1389Abu Tashufin II succeeds his nephew, Abu Hammu II, as ruler of the Abdalwadid Dynasty in present-day eastern Algeria.source
• 1389Hadji II is restored as Mamluk Sultan of Egypt, after overthrowing Sultan Barquq.source
• 1389Abd ar-Rahmân II succeeds Musa II as ruler of the Ziyanid Dynasty, in present-day western Algeria.source
• 1389Biri II succeeds Kade Alunu as King of the Kanem-Bornu Empire (now eastern Chad and Nigeria), and the Empire loses its land in present-day Chad to the Bilala.source
• 1389Sandaki overthrows Magha II, as Mansa of the Mali Empire.source
• 1390March 20 – Manuel III succeeds his father, Alexios III, as Emperor of Trebizond (now north eastern Turkey).source
• 1390July 1 – The Barbary Crusade begins as the Kingdom of France and the Republic of Genoa attempt to stop the raids of the Barbary pirates by invading the North African region of Ifriqiya and laying siege to Mahdia in what is now Tunisia. Louis II, Duke of Bourbon and Giacomo Fregoso of Genoa bring 6,000 knights and soldiers on 60 ships against 40,000 Muslim defenders led by the Caliph Abu al-Abbas Ahmad II of the Hafsid Sultanate and the Sultan Abu Tashufin II of Tlemcen.source
• 1390August 31 – Nasir ud din Muhammad Shah III overthrows his brother, Abu Bakr Shah, as Sultan of Delhi.source
• 1390September 11 – Lithuanian Civil War: The coalition of Vytautas and the Teutonic Knights begins a 5-week siege of Vilnius. The Duke of Hereford (the future King Henry IV of England) is among the western European knights serving with the coalition.source
• 1390October 1 – The Christian crusaders of France and Genoa lift the siege of Mahdiya after Genoa negotiates a ceasefire and a 10-year armistice. The crusaders return to Genoa after having sustained 274 deaths from combat and from disease.source
• 1390Fall of Philadelphia– The Ottomans take Philadelphia, the last Byzantine enclave of any significance in Anatolia.source
• 1391January 16 – Yusuf II succeeds Muhammad V, as Nasrid Sultan of Granada (now southern Spain).source
• 1391April 1 – Rebelling against the rule of King Martin of Sicily, the rebel Brancaleone Doria begins the takeover of the island of Sardinia by laying siege to the Castel di Cagliari.source
• 1391June 6 – Massacre of 1391: Anti-Jewish pogroms erupt in Seville, Spain. Many thousands of Jews are massacred, and the violence spreads throughout Spain and Portugal, especially to Toledo, Barcelona and Mallorca. This event marks a turning-point in the history of the Spanish Jews, with most of the survivors leaving the Iberian Peninsula or being forced to convert.source
• 1391July 18 – Tokhtamysh–Timur war – Battle of the Kondurcha River: Timur defeats Tokhtamysh of the Golden Horde, in present day southeast Russia.source
• 1391October 3 – Brancaleone Doria captures Villa di Chiesa in Sardinia.source
• 1391Shah Mansur becomes leader of the Timurid-occupied Muzaffarid Empire, in central Persia.source
• 1391Ushkuinik pirates from Novgorod sack the Muscovy towns of Zhukotin and Kazan.source
• 1392April 11 – In order to prevent an attack by the Duchy of Milan, led by Lord Gian Galeazzo Visconti, the Republic of Florence forms the League of Bologna, a defensive alliance with other Italian city-states of Bologna, Padua, Ferrara, Imola, Faenza and Ravenna.source
• 1392May 29 – After the Fleet Street riot in London, King Richard II of England summons Lord Mayor of London, John Hende, along with the London sheriff and deputies, and aldermen to appear before him at Nottingham Castle on June 25 for a hearing on unspecified charges.source
• 1392June 13 – An assassination attempt by Pierre de Craon against Olivier V de Clisson, Constable of France, fails.source
• 1392June 25 – At a hearing at Nottingham Council concerning the Fleet Street riot, King Richard II of England orders that London's Mayor Hende is to be arrested, removed from office and imprisoned.source
• 1392July 1 – King Charles VI of France, outraged at an attempt to assassinate his advisor Olivier V de Clisson, leads an invasion against the Duchy of Brittany and Duke Jean V for harboring the perpetrator, Pierre de Craon.source
• 1392August 5 – King Charles VI of France (later known as "Charles the Mad") first displays symptoms of psychosis while crossing through the forests of Le Mans, attacking his own soldiers with his sword while under the delusion that they are enemy troops from the Duchy of Brittany. Charles' madness enables Philip II, Duke of Burgundy, to strengthen his power in the French court.source
• 1392William le Scrope succeeds William II de Montacute, as King of Mann.source
• 1392The city of Afyonkarahisar (in modern-day western Turkey) is conquered by Sultan Beyazid I, of the Ottoman Empire.source
• 1392Maria, Queen of Sicily defeats an army of rebel barons.source
• 1393March 29 - In central Persia, the Muzzafarid Empire, led by Shah Mansur, rebels against their Timurid occupiers. The rebellion is squashed and the Shah is executed along with the whole Muzaffarid nobility, ending the Muzaffarid dynasty in Persia.source
• 1393April 14 - To resolve issues remaining from the six-year long war in Myanmar between the Kingdom of Ava and the Hanthawaddy Kingdom, a delegation sent by King Swa Saw Ke of Ava arrives at Nanjing, capital of Ming dynasty China, to seek the aid of the court of the Emperor Zhu Yuanzhang. The mission is unsuccessful.source
• 1393May 29 - Abu Thabid II becomes the new ruler of the Kingdom of Tlemcen in what is now Algeria, succeeding Abu Tashufin II.source
• 1393July 8 - At Tlemcen, Abul Hadjadjadj I becomes the new ruler of the Kingdom of Tlemcen in what is now Algeria, succeeding Abu Thabid II. He reigns until November.source
• 1393July 17 – Troops of the Ottoman Empire, led by General Süleyman Çelebi, capture the Bulgarian capital, Tarnovo, after a three-month siege, bringing an end to the Second Bulgarian Empire.source
• 1393July 30 – The return of the Montaldo faction to Genoa forces the Doge, Francesco di Garibaldo, to go into exile to allow the return of Antoniotto Montaldo, who had stepped down as Doge of Genoa 17 days earlier.source
• 1393August 29 – The conqueror Timur arrives with his army at the gates of Baghdad and Persian writer Nizam al-Din Shami will say later that he was the first to offer submission to the Amir of the Timurid Empire.source
• 1393November 20 – The conqueror Timur of the Timurid Empire in the Middle East begins the three-week siege of Takrit in what is now Iraq.source
• 1393December 11 – After a three week long siege, the city of Takrit, described in contemporary accounts as "a bandit stronghold said to be impregnable," falls to the troops of the conqueror Timur.source
• 1393The Ottoman Turks capture Turnovgrad (now Veliko Tarnovo), the capital city of east Bulgaria. Emperor Ivan Shishman is allowed to remain as puppet ruler of east Bulgaria.source
• 1393Abdul Aziz II becomes Sultan of the Marinid dynasty in present-day Morocco, after the death of Sultan Abu Al-Abbas.source
• 1393Bosnia resists an invasion by the Ottoman Empire.source
• 1393Despite his treaty with the king of Poland, Roman I of Moldavia supports Fyodor Koriatovych against the king. Losing the battle, he will also lose the throne of Moldavia the next year.source
• 1393In her aim to form The Kalmar Union, Queen Margaret I of Denmark is laying siege to Stockholm, which is controlled by troops loyal to the former Swedish king Albert of Mecklenburg.source
• 1393Abu Thabid II succeeds Abu Tashufin II, as ruler of the Abdalwadid dynasty in present-day eastern Algeria. Abu Thabid is succeeded in the same year by his brother, Abul Hadjdjadj I.source
• 1393Byzantium loses Thessaly to the growing Ottoman Empire.source
• 1393Samsenethai succeeds his father, Fa Ngum, as King of Lan Xang (now Laos).source
• 1394April 26 – Martín Yáñez de la Barbudo of the Kingdom of Castile, master of the Order of Alcántara military group and leader of a crusade against the Muslim Emirate of Granada, leads an army across the border into the Emirate and marches toward the capital. Granadan Emir Muhammad VII sends emissaries to King Enrique III of Castile to complain about the violation of the truce between them, and then mobilizes the Granadan Army to repel the invasion by Barbuda, who is killed in the battle along with hundreds of other Castilians.source
• 1394June 11 – The Venetians take over possession of Argos, from Despot Theodore I Palaiologos.source
• 1394July 16 – The agreement between the Swiss Confederacy (the cantons of Lucerne, Uri, Schwyz and Unterwaldeden) and the Duchy of Austria, originally signed on April 1, 1389, following the 1386 Battle of Sempach, is extended by amendment.source
• 1394October 10 – At the Battle of Karanovasa, Wallachia (now southern Romania) resists an invasion by the army Ottoman Empire and its Serb and Bulgarian vassals.source
• 1394November 29 – The capital city of the Joseon dynasty (in present-day Korea) is moved from Gaegyeong (now Gaeseong) to Hanseong (now Seoul).source
• 1394After the death of Sultan Mahmud II, civil war breaks out in the Delhi Sultanate, splitting the state between east and west.source
• 1394Battle of Ros-Mhic-Thriúin: The Kingdom of Leinster, led by King Art mac Art MacMurrough-Kavanagh, defeats an invading army from England, led by King Richard II of England and Roger Mortimer, 4th Earl of March.source
• 1394Abu Zayyan II succeeds his brother, Abul Hadjdjadj I, as ruler of the Abdalwadid dynasty in present-day eastern Algeria.source
• 1394Abd al-Aziz II succeeds Abu al-Abbas Ahmad II, as ruler of the Hafsid dynasty in present-day Tunisia.source
• 1394The Ottomans conquer Thessaly (now eastern Greece) and begin an eight-year siege of Constantinople, in the Byzantine Empire. In the same year, they begin building the Anadoluhisarı fortress to defend themselves during the siege.source
• 1394Battle of Ros-Mhic-Thriúin: Art Mór Mac Murchadha Caomhánach, King of Leinster, defeats forces of the Norman Lordship of Ireland.Irelandsource
• 1395February 12 – At the Battle of Ghindăoani The army led by King Sigismund of Hungary and Croatia is ambushed by Prince Stephen I of Moldavia, on its way back after conquering Neamț Citadel, and the Hungarians must retreat empty handed.source
• 1395March 18 – After Donato Acciaioli, Duke of Athens, rewards Captain Andrea Bembo for defending Athens against an Ottoman attack, Senate of the Republic of Venice votes to annex the Duchy of Athens.source
• 1395April 14 – Tokhtamysh–Timur war – At the Battle of the Terek River, the Mongol conqueror Timur defeats Tokhtamysh of the Golden Horde at the Volga. The Golden Horde capital city, Sarai, is razed to the ground, and Timur installs a puppet ruler, Quyurchuq, on the Golden Horde throne. Tokhtamysh escapes to Lithuania.source
• 1395May 17 – Battle of Rovine: With the help of the Hungarians, Wallachia resists an invasion by the Ottomans and their Serb and Bulgarian vassals. But Mircea I of Wallachia has to temporarily flee to Transylvania, and Vlad I Uzurpatorul is placed on the throne by the Ottomans.source
• 1395June 3 – Sultan Bayezid I of the Ottoman Empire has the former Bulgarian Emperor Ivan Shishman beheaded after Shishman is accused of collaborating with the Principality of Wallachia during the 1394 Battle of Karanovasa.source
• 1395December 19 – The Principality of Monaco comes under the control of the Republic of Genoa, administered by the Doge Antoniotto I Adorno. Lord Jean I of the House of Grimaldi steps aside during the Genoan invasion.source
• 1395Ramaracha succeeds Ramesuan as ruler of the Ayutthaya Kingdom in present-day southern Thailand.source
• 1395Defeat of Leinster Irish under Art Mór Mac Murchadha Caomhánach, King of Leinster and submission of nearly all Irish and rebel English chiefs to King Richard II of England.Irelandsource
• 1396February 4 – (24 Rabi II 798 AH) Hasan ibn Ajlan becomes the Emir of Mecca as his brother Muhammad ibn Ajlan steps aside.source
• 1396March 28 – A War Council in Buda, led by King Sigismund of Hungary is held with representatives of various Christian nations to begin the Nicopolis Crusade against the Muslims of the Ottoman Empire for the liberation of Bulgaria.source
• 1396August 29 – The Battle of Schoterzijl is fought in the third of the Friso-Hollandic Wars between Holland, led by Albert I, Duke of Bavaria, and Friesland, a semi-independent kingdom, led by Juw Juwinga. Although Juwinga is killed in battle, the Frisians are able to hold onto independence.source
• 1396September 12 – The Crusaders, with more than 17,000 troops from France, Hungary, the Knights Hospitaler, Wallachia and the Holy Roman Empire , arrive at the outskirts of Nicopolis (now Nikopol in Bulgaria).source
• 1396September 25 – Battle of Nicopolis: The Ottomans defeat a joint crusade by Hungary, France, the Holy Roman Empire, and Wallachia, led by King Sigismund of Hungary. This is the last large-scale crusade of the Middle Ages.source
• 1396The Ottomans capture the Bulgarian fortress of Vidin and Tsar Ivan Sratsimir, ending the Second Bulgarian Empire. The Bulgarian state is reestablished in 1878 as the Principality of Bulgaria.source
• 1396late September – Battle of the North Inch ("Battle of the Thirty"): In a mass trial by combat on the North Inch of Perth, Scotland, the Clan Cameron defeat the Clan Mackintosh. Records refer to "warpipes" being carried into battle, perhaps predecessors of the Great Highland bagpipe.source
• 1396Abu Amir succeeds Abdul Aziz II as ruler of the Marinid dynasty, in modern-day Morocco.source
• 1397March 18 – The Duchy of Milan, led by Gian Galeazzo Visconti, declares war against the Republic of Florence, led by Chancellor Coluccio Salutati, on the Italian peninsula.source
• 1397June 14 – Shams-ud-Din Shah becomes the new Shah of the Bahmani Kingdom (now in India's state of Karnataka) upon the death of his brother, Ghiyath-ad-din Shah.source
• 1397The Ottomans capture the town of Vidin, the capital of the Tsardom of Vidin, the only remaining independent Bulgarian state. Emperor Ivan Sratsimir of Vidin is taken prisoner by early this year and later disappears while his son Constantine II becomes Emperor in his place.source
• 1397Temür Qutlugh is crowned as the Khan of Golden Horde with the help of general Edigu, although Edigu continues to hold the real power.source
• 1398January – The Dao Ganmeng rebellion in the Chinese vassal state of Möng Mao,started in December by Dao Genmeng, is brought to an end in what is now Myanmar two months after Dao Ganmeng's takeover. With the intervention of the Chinese Empire, led by the Ming dynasty Emperor Zhu Yuanzhang, the deposed ruler Si Lunfa is restored to leadership.source
• 1398March 17 – The Teutonic Knights resume their attack on Lithuania as a fleet of 84 ships, 4,000 men and 400 horses departs from Danzig toward Gotland, and arrive on March 21.source
• 1398April 5 – The Teutonic Knights conquer the island of Gotland, near Sweden, which has previously been run by the piratical Victual Brothers. In the agreement of surrender, the city of Visby and the entire island are ceded to Johan of Mecklenburg, and merchants from the Hanseatic League are allowed free trade. In addition, the Knights receive the opportunity to clear all known pirates and other enemies from Gotland.source
• 1398July 27 – Following the consensus of the Assembly of Paris of that had begun meeting on May 11, King Charles V of France signs an ordinance withdrawing obedience to both the French Avignon pope Benedict XIII and to Rome's Pope Boniface IX to issue benefices to persons who offer services to the Catholic Church. An army led by Geoffrey Boucicaut occupies Avignon, and starts a five-year siege of the papal palace.source
• 1398September 2 – The Bona crusaders from Spain sack the Algerian village of Tedelis in the Kingdom of Tlemcen, killing around 1,000 people, before abandoning the African crusade and returning to defend the siege of Avignon at France.source
• 1398December 17 – Timur defeats the last ruler of the Delhi Sultanate, which has been weakened after four years of civil war. Following his victory, Timur's Islamic troops sack the city of Delhi, and proceed to massacre hundreds of thousands of the state's Hindu inhabitants.source
• 1398Bunei succeeds his father, Satto, as King of Chūzan (modern-day central Okinawa, Japan).source
• 1398The Kingdom of Singapura falls, after being invaded by the Majapahit Empire.source
• 1399January 13 – In the Delhi Sultanate in what is now the Uttarakhand state of India, Timur the Lame captures and sacks Haridwar.source
• 1399March 18 – Richard II of England cancels the legal documents allowing the exiled Henry Bolingbroke to inherit his father's lands, leading to Henry's decision to overthrow King Richard.source
• 1399June 21 – Egyptian prince Saad al-Din bin Ghurab becomes the Amir al-umara of Egypt.source
• 1399August 6 – Prince of Yan (Zhu Di) of China starts a rebellion, the Jingnan campaign in Beijing against his nephew, the Emperor Zhu Yunwen, after two of Zhu Di's officials are arrested for "subversive activity".source
• 1399August 12 – At the Battle of the Vorskla River, Golden Horde forces, led by Mongol Khan Temür Qutlugh and Emir Edigu, annihilate a crusading army led by former Golden Horde Khan Tokhtamysh, and Grand Duke Vytautas of Lithuania..source
• 1399August 19 – Richard II of England is taken prisoner by Henry Bolingbroke upon his return from Ireland and surrenders at Flint Castle in return for his life.source
• 1399December: Henry IV ordered the implementation of the absentee act of 1380. This demanded that all who held lands, benefices, or offices in Ireland should go to reside there and defend the land against the 'Irish rebels'.Irelandsource
• 1399Sultan Bayezid I of the Ottoman Empire invades Mamluk-occupied Syria. A rift forms between Sultan Bayezid and Timur of the Timurid Empire, who also wanted to conquer Syria.source
• 1399The Principality of Achaea (now southern Greece) resists an invasion by the Ottoman Empire.source
• 1399Battle of Tragh-Bhaile: forces of the Norman Lordship of Ireland defeat those of Henry O Neill's sons.Irelandsource