1447 CE
Humphrey, Duke of Gloucester, uncle and heir apparent of King Henry VI of England, is arrested on a charge of treason. He dies from a stroke three days later while imprisoned at Bury St Edmunds in Suffolk Richard of York becomes next in line for the throne. Abdal-Latif Mirza, son of the recently-crowned Timurid Emperor Ulugh Beg, is defeated in battle at Nishapur by his cousin Ala al-Dawla Mirza, another claimant to the Timurid throne, shortly after Abdal-Latif had captured the city of Damghan and al-Dawla had conquered Mashad. In a royal wedding at the cathedral in Madrigal de las Altas Torres in the Kingdom of Castile (now in Spain) Princess Isabella of Portugal, cousin of King Afonso VI, marries King Juan II of Castile.
In the 1440s, the 15th century.
Geopolitics & Diplomacy
- January 4 – Barnaba Adorno becomes the new Doge of the Republic of Genoa when his cousin Raffaele Adorno steps down after slightly less than four years in office. Baranaba holds the office for only a few weeks before being forced by the Adorno family's rivals, the Campofregoso family to flee the Doge's Palace on January 29.source
- January 30 – Giano di Campofregoso is elected as the new Doge of Genoa the day after his family forces Barnaba Adorno out of the city.source
- February 11 – The English Parliament is opened by King Henry VI for a three week session that closes on March 3.source
- Torna Ó Maolconaire became Ollamh Síol Muireadaigh.Irelandsource
Conflict & Security
- February 27 – Vasily II returns as Grand Prince of Moscow after being recalled from exile by Dmitry Shemyaka, who had blinded him the year before. Shemyaka still attempts to control the Principality of Moscow.source
- March 13 – At Herat, Ulugh Beg (born Mirza Muhammad Taraghay) becomes the new ruler of the Timurid Empire upon the death of his father Sharukh Mirza, who had reigned for 42 years. The Empire is in decline but still controls most of what is now Afghanistan as well as parts of Iraq and Pakistan.source
- March 26 – Dmitry Shemyaka flees Moscow from the supporters of Vasily II.source
- April 20 – Abdal-Latif Mirza, son of the recently-crowned Timurid Emperor Ulugh Beg, is defeated in battle at Nishapur by his cousin Ala al-Dawla Mirza, another claimant to the Timurid throne, shortly after Abdal-Latif had captured the city of Damghan and al-Dawla had conquered Mashad.source
- October 11 – In the Battle of Bosco Marengo in Italy, the army the Ambrosian Republic of Milan defeats the 3,000-member force of the Duchy of Orléans, killing half of their troops while losing only 500 of its 3,700 men.source
- November 16 – In the War of the Milanese Succession, Francesco Sforza, leader of the forces of the Ambrosian Republic of Milan, overwhelms the city of Piacenza after a siege that began on October 1. According to a contemporary account, Piacenza "endured every evil" from the Milanese over the next 50 days. Cristoforo da Soldo comments that "as for the ravaging of the land that was plundered, it would take a great pile of paper to write down the many cruelties. All the churches were robbed.. virgins, married women, widows, and nuns, all of them were shamed, abused and wrongly molested."source
- The Siege of Soest, Germany, occurs, in the course of the Soest Feud.source
Exploration & Expansion
- Franzes I, Duke of Brittany, reverses the policy of his father, the late Duke Yann the Wise and allows the Caquin minority to have certain rights of trade within specified areas in the bishopric of Vannes.source
Religion & Belief
- March 4 – The papal conclave opens at the Santa Maria sopra Minerva in Rome with 18 of the 24 living members of the College of Cardinals arriving to select a new Pope With 12 votes necessary for the require two-thirds needed for an election, Cardinal Prospero Colonna receives 10 and Cardinal Domenico Capranica gets 8.source
- March 6 – On the fourth vote of the papal conclave, Prospero Colonna is still unable to gain more than 10 votes, and Cardinal Capranica addresses the group, warning that Rome would be under attack from the King of Aragon. At the intervention of Cardinal Giovanni Berardi, the cardinals begin voting for a compromise candidate, Tommaso Parentucelli, who wins 12 votes. Parentucelli then takes the regnal name of Pope Nicholas V, the 208th Bishop of Rome and Pope.source
- March 19 – The coronation of Tommaso Parentucelli as Pope Nicholas V takes place in Rome. The crown is placed upon his head by Cardinal Prospero Colonna, who had come within two votes of being selected as the Pope on March 5.source
- April 22 – (5 Safar 851 AH) Khwaja Ubaidullah Ahrar becomes the new leader of the tariqa (order) of Süleymancılar among adherents of Sufism in what is now Turkey.source
- July 22 – In a royal wedding at the cathedral in Madrigal de las Altas Torres in the Kingdom of Castile (now in Spain) Princess Isabella of Portugal, cousin of King Afonso VI, marries King Juan II of Castile.source
- Tashi Lhunpo Monastery is founded by the 1st Dalai Lama at its original location in Shigatse, Tibet.source
Crime & Justice
- 18 February – Humphrey, Duke of Gloucester is arrested for treason. He dies five days later.Englandsource
- February 20 – Humphrey, Duke of Gloucester, uncle and heir apparent of King Henry VI of England, is arrested on a charge of treason. He dies from a stroke three days later while imprisoned at Bury St Edmunds in Suffolk Richard of York becomes next in line for the throne.source
- Iizasa Ienao founds Tenshin Shōden Katori Shintō-ryū, the earliest historically verifiable Japanese koryū martial art, that will still be extant in modern times.source
Disasters & Accidents
Culture & Society
- May 6 – In a royal wedding at Lisbon, King Afonso V of Portugal is married to his first cousin, Princess Isabel of Coimbra, when both of them are 15 years old. Isabel is the daughter of Afonso's uncle, Dom Pedro, Duke of Coimbra, who continues to serve as the regent for King Afonso.source
- June 25 – Kazimieras Jogailaitis, Grand Duke of Lithuania since 1440, is crowned King of Poland as Casimir IV Jagiellon, bringing an end to an interregnum that had existed since 1444 when Casimir's brother King Wladyslaw III had left Poland to fight in a Crusade against the Ottoman Turks.source
- August 14 – As competition begins over who will inherit the right to rule the Duchy of Milan, members of the University of Pavia proclaim the Golden Ambrosian Republic (Aurea Repubblica Ambrosiana), ruled by a 12-member council, the Capitani della Libertà (Captains of Liberty), led by professor Giorgio Lampugnano.source
- September 15 – Roman II seizes the throne of Moldavia after killing his uncle, Stephen II, and makes plans to enlist his other uncle, Petru as co-ruler.source
- 9 December – Richard, Duke of York is appointed as the King's representative in Ireland.Englandsource
- December 16 – Lodovico di Campofregoso becomes the Doge of the Republic of Genoa, succeeding his older brother, Giano I, who had taken office "for lifesource
- Unknown – Wye College is founded in Kent.Englandsource
- Unknown - Joan, daughter of Charles VII, marries John, Duke of BourbonFrancesource
Births
- February 1 – Eberhard II, Duke of Württemberg (died 1504)source
- February 4 – Lodovico Lazzarelli, Italian poet (died 1500)source
- April 5 – Catherine of Genoa, Italian author and nurse (died 1510)source
- April 17 – Baptista Mantuanus, poet and Carmelite (died 1516)source
- June 27 – Jean IV de Rieux, Breton noble and Marshal (died 1518)source
- July 5 – Costanzo I Sforza, Italian noble (died 1483)source
- September 10 – Paolo da San Leocadio, Italian painter in Spain (died 1520)source
- October 30 – Lucas Watzenrode, Prince-Bishop of Warmia (died 1512)source
- December 3 – Bayezid II, Ottoman Sultan (died 1512)source
- December 9 – Chenghua Emperor of China (died 1487)source
- December 15 – Albert IV, Duke of Bavaria (died 1508)source
- Philippe de Commines, Flemish historian (died 1511)source
- Giovanni Antonio Amadeo, Italian sculptor (died 1522)source
- Catherine of Genoa, Catholic mystic (died 1510)source
- Lionel Woodville, bishop (died 1484)Englandsource
- Richard Nykke, bishop (died 1535)Englandsource
Deaths
- February 23 – Humphrey, Duke of Gloucester (born 1390)source
- February 23 – Pope Eugene IV (born 1383)source
- March 6 – Colette of Corbie, French abbess and saint in the Catholic Church (born 1381)source
- March 13 – Shah Rukh Mirza, ruler of Persia and Transoxonia (born 1377)source
- April 11 – Henry Beaufort, Cardinal, Lord Chancellor of England (born 1377)source
- July 9 – Gruffudd Vychan, Welsh knight (born 1390)source
- July 13 – At Suceava (now in Romania) Stefan II, Voivode of Moldavia since 1434, is killed in a coup d'état by his nephew, Roman II.source
- August 5 – John Holland, 2nd Duke of Exeter, English nobleman and military commander (born 1395)source
- August 9 – Konrad IV the Elder, Polish priest (born 1380)source
- August 13 – Filippo Maria Visconti, Duke of Milan (born 1392)source
- August 13 – The Milanese War of Succession begins in Italy when Filippo Maria Visconti, Duke of Milan since 1412, dies from natural causes. In that Visconti had no male heir, he had bequeathed the Duchy to King Afonso V, ruler of the Kingdom of Naples (in Italy) and the Crown of Aragon (in Spain), as well as his son-in-law Francesco I Sforza and Sigismund, Archduke of Austria.source
- November 21 – Biagio Molino, Roman Catholic patriarch (born 1380)source
- December 7 –Vlad II Dracul, ruler of Wallachia, and his eldest son Mircea are assassinated outside of Bucharest. Vladislav II succeeds him, with the assistance of John Hunyadi, beginning the Albanian–Venetian War.source
- December – Vlad II Dracul, Prince of Wallachia, and his son Mircea IIsource
- Humphrey, Duke of Gloucester (born 1390)Englandsource
- John Holland, 2nd Duke of Exeter (born 1395)Englandsource
- Jenson Salvart, contractor (born 1398)Francesource
- Sadhbh Ó Mailchonaire, Ban Ollamh Síol Muireadaigh.Irelandsource