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The 1430s

507 sourced entries across 10 years, inside the 15th century. Each year below opens its own page; the lines under it are that year’s highest-ranked entries.

1430 CE49 entries

  • March 29 – The Ottoman Empire, led by the Sultan Murad II, captures Thessalonica in Greece after an eight-year siege.
  • April 28 – The Hussites defeat Hungarian and Serbian troops in the Battle of Nagyszombat in an invasion of the Kingdom of Hungary near Nagyszombat (now Trnava in Slovakia).
  • 14 May – The French first attempt to relieve the siege of Compiègne during the Hundred Years War

1431 CE58 entries

  • June 6 – The Battle on the Po takes place on the Po River in Italy near Cremona as the navy of the Duchy of Milan defeats a fleet of 85 galleys of the Republic of Venice. The Venetians lose over 2,500 men, as well as 28 of the galley warships and 42 transport ships.
  • July 1 – Reconquista: In Spain, the army of the Crown of Castile, led by Álvaro de Luna, defeats the Moors of the Emirate of Granada, led by the Sultan Muhammad IX, in the Battle of La Higueruela, fought at Vega de Granada.
  • December 13 – Vlad, future Prince of Wallachia as Vlad II Dracul, is made a member of the Order of the Dragon. Because of this, his son Vlad the Impaler will inspire the literary figure named Dracula.

1432 CE50 entries

  • January 1 – Yusuf IV is placed on the throne as the new Sultan of Granada, after Muhammad IX is deposed with the support of King Juan II of Castile and Leon. Yusuf dies later in the year and Muhammad IX is restored to the throne a third time
  • May 6 – Jan van Eyck's Ghent Altarpiece is first presented to the public.
  • December 8 – Lithuanian Civil War (1432–1438): The first battle between the forces of Švitrigaila and Sigismund Kęstutaitis is fought near the town of Oszmiana (Ashmyany), launching the most active phase of the civil war in the Grand Duchy of Lithuania.

1433 CE50 entries

  • May 13 – Bolko V the Hussite, Duke of Opole and ruler of most of Upper Silesia and much of Lower Silesia in Poland, is defeated by Nicholas V, Duke of Krnov at the Battle of Trzebnica.
  • June – Sarwe Iyasus becomes the new Emperor of Ethiopia upon the death of his father Takla Maryam.
  • September 14 – Emperor Xuanzong of Ming dynasty China welcomes the envoys of 11 foreign nations that had sent representatives to travel back to China with Admiral Zheng He's fleet. Present at the Imperial Court as guests are envoys of the kings of Samudera, Kingdom of Kotte, Kingdom of Cochin, Calicut, Dhofar, Aden, Coimbatore, Hormuz, Jayile and Mecca.

1434 CE45 entries

  • July 10– In the Kingdom of León in Spain, Suero de Quiñones and his companions stage the Passo Honroso, at the bridge across the Órbigo River near Santiago de Compostela. Any knight attempting to cross the bridge is challenged to a joust by the Quiñones knights. The challenge continues for the next 30 days.
  • July 25 – The coronation of Wladyslaw III as King of Poland takes place at the Wawel Cathedral in Kraków.
  • November 12 – Bishop Nils Ragvaldsson of Sweden delivers a speech at the Council of Basel, arguing the Kingdom of Sweden and its monarch, Eric of Pomerania deserve senior rank over the Spanish delegation.

1435 CE59 entries

  • March 15 – Stjepan Vukčić Kosača becomes the new Grand Duke of Bosnia upon the death of his uncle, Sandalj Hranić.
  • September 21 – The Treaty of Arras between Charles VII of France and Philip III of Burgundy ends the English-Burgundian alliance.
  • 21 September – The Treaty of Arras is agreed between Charles VII and Philip the Good leads to the end of the Anglo-Burgundian Alliance. This is major blow to long-term English hopes during the Hundred Years War

1436 CE51 entries

  • April 17 – Hundred Years War: Paris is recaptured from the English by French forces.
  • April - Paris is recaptured from the English by French forces during the Hundred Years War
  • October 6 – The University of Turin, originally created in 1404 is re-established in Turin in Italy after having been absent since 1427. Prince Ludovico of Savoy grants ducal licenses to set up colleges of Law, of Arts and Medicine, and of Theology.

1437 CE52 entries

  • January 15– The Compacts of Basel are ratified by the Council of Basel in Switzerland, as the Roman Catholic Church ends its campaign against the Hussites. Among other things, the Church authorizes Hussite priests to administer sacramental wine to their congregations as part of the Communion during the Eucharist before Easter without declaring the same to be heresy, but stops short of allowing the Communion wafer.
  • March 25 – In a ceremony in Holyrood Abbey, six-year old Prince James is crowned as James II of Scotland by Pope Eugene IV. For the security of the crown, the capital of Scotland is moved from Dunfermline to Edinburgh.
  • September 20 – Led by Prince Henry the Navigator, a poorly-prepared Portuguese attempt to conquer the city of Tangier in the Marinid Sultanate in Morocco begins. Although the Portuguese have more than 6,000 troops, they reach the walled city and find that their scaling ladders are too short to reach the top, and their artillery is too weak to damage the walls.

1438 CE42 entries

  • February 10 – All Souls' College is founded in the University of Oxford by Henry Chichele, Archbishop of Canterbury, and Henry VI of England as a graduate institution.
  • October 27 – At Mandore (part of the modern-day state of Rajasthan in India), Rao Ranmal, King of Marwar is assassinated after becoming drunk during the festival of Diwali, when one of his wives, Bharmali, ties him up and opens his bedroom door to admit a team of assassins. Ranmal's son, Rao Jodha, becomes the new King.
  • November 27 – Following approval by the General Council of Scotland, regents for King James II of Scotland give royal assent to the Inquisitions in Last Reign Act, providing for the continuation of any inquisition by the Roman Catholic Church for heresy that had been started prior to the assassination of King James I.

1439 CE51 entries

  • January 17 – As part of Ming China's campaign against the Möng Mao kingdom in south China, General Fang Zheng, commander of 295,000 troops, attacks the stockade of the Mao kingdom's General Si Renfa and forces the enemy to retreat southward, after which he continues in pursuit. However, by this time his troops are exhausted and his supply lines are cut off. He requests reinforcements, but Mu Sheng sends only a small number as he is angry that Fang Zheng has disobeyed orders. Fang Zheng is then defeated at Kongni where he has pursued Si Renfa, and "fell into an ambush of the elephant phalanx of his enemy", at which point he orders his son to escape, and dies with his troops
  • August 18 – Smederevo Fortress, the seat of government of the Despotate of Serbia, surrenders to the Ottoman Empire after a siege of three months under the command of the Sultan Murad II. The siege had started after the Despot, Durad Branković, had departed to the Republic of Venice, leaving the nation under the control of his son, Grgur Branković. Grgur is appointed as the Ottoman Governor of the Serbian province.
  • November 12 – Parliament is opened and the House of Commons elects William Tresham as its speaker.