1501

1501 in various calendars
Gregorian calendar	1501 MDI
Ab urbe condita	2254
Armenian calendar	950 ԹՎ ՋԾ
Assyrian calendar	6251
Balinese saka calendar	1422–1423
Bengali calendar	907–908
Berber calendar	2451
English Regnal year	16 Hen. 7 – 17 Hen. 7
Buddhist calendar	2045
Burmese calendar	863
Byzantine calendar	7009–7010
Chinese calendar	庚申年 (Metal Monkey) 4198 or 3991 — to — 辛酉年 (Metal Rooster) 4199 or 3992
Coptic calendar	1217–1218
Discordian calendar	2667
Ethiopian calendar	1493–1494
Hebrew calendar	5261–5262
Hindu calendars
- Vikram Samvat	1557–1558
- Shaka Samvat	1422–1423
- Kali Yuga	4601–4602
Holocene calendar	11501
Igbo calendar	501–502
Iranian calendar	879–880
Islamic calendar	906–907
Japanese calendar	Meiō 10 / Bunki 1 (文亀元年)
Javanese calendar	1418–1419
Julian calendar	1501 MDI
Korean calendar	3834
Minguo calendar	411 before ROC 民前411年
Nanakshahi calendar	33
Thai solar calendar	2043–2044
Tibetan calendar	阳金猴年 (male Iron-Monkey) 1627 or 1246 or 474 — to — 阴金鸡年 (female Iron-Rooster) 1628 or 1247 or 475

January–March

January 17 – Cesar Borgia returns triumphantly to Rome, from Romagna.
February 1 – The Duchy of Bavaria-Dachau, created in Germany in 1467 after Sigismund, Duke of Bavaria was granted his own state following his resignation from the throne of the Duchy of Bavaria-Munich, reverts to Bavaria-Munich's control upon Sigismund's death.
March 4 – Minkhaung II becomes the sole King of Burma upon the death of his son Thihathura II, with whom he was co-ruler for 15 years. Minkhaung's reign ends five weeks later when he dies on April 7.
March 25 – Portuguese navigator João da Nova discovers Ascension Island.^[1] It is definitely sighted and named on May 20, 1503 (Feast of the Ascension) by Afonso de Albuquerque.^[2]

April–June

April 7 – Shwenankyawshin Narapati begins an almost 26-year reign as King of Burma upon the death of his father, King Minkhaung II.
April 11 – The Rebellion in the Alpujarras ends in southern Spain with a treaty of surrender of the last Muslim insurgents in the Alpujarra Mountains in Andalusia on the Mediterranean Sea.^[3] The Muslims are given the choice of expulsion or conversion to Christianity.^[4]
May 10 – The formal coronation of King Shwenankyawshin of Burma takes place at his capital in Inwa in the Mandalay Region on the 9th waning of Kason, 863 ME.
May 13 – The Venetian Republic signs a treaty with the Kingdom of Hungary and Pope Alexander VI for troops to protect Venetian Dalmatia during the Ottoman–Venetian War (1499–1503).
May 15 – Harmonice Musices Odhecaton, the first printed collection of polyphonic music, is published by Ottaviano Petrucci in Venice.
June 9 – The semi-independent city of Basel joins the Swiss Confederation as the eleventh canton of Switzerland.^[5]
June 17 – Alexander Jagiellon, Grand Duke of Lithuania since 1492, becomes the new King of Poland upon the sudden death of his older brother, Jan I Olbracht.
June 23 – Nicolau Coelho, part of Pedro Cabral's Portuguese expedition to India, returns home with one ship, having left ahead of Cabral.
June 24 – Cesare Borgia's French troops storm and overtake the fortress at Capua in the Kingdom of Naples, overcoming the defense of Fabrizio Colonna in the occupation of the Spanish Kingdom of Aragon in southern Italy.

July–September

July 21 – Portuguese explorer Pedro Álvares Cabral and his surviving crew return to Lisbon at the end of a 15-month expedition to India, with only seven of their original fleet of 13 ships. The cargo from India, however, returns a profit to the Portuguese crown of nine times its investment.^[6]
July 25 – The Kingdom of Naples, led by King Federico I, surrenders to Cesare Borgia's French and Aragonese troops.
July 27 – Copernicus is formally installed as canon of Frauenberg Cathedral.
August 1 – Hans, King of Denmark, Norway and Sweden is deposed from the Swedish throne after fleeing the country following the victory of Swedish rebels at Örebro during the War of Deposition against King Hans. His wife, Christina of Saxony, is left behind at Stockholm as his regent of Sweden, to command a royal garrison at Tre Kronor ("Three Crowns"), the royal castle. Returning to Denmark, King Hans then organizes Danish troops to attempt to retake Sweden in the Dano-Swedish War (1501–1512).
August 2 – King Federico of Naples abdicates upon the conquest of the Kingdom of Naples by France, and France's King Louis XII becomes the nominal monarch as Luigi II, re di Napoli. King Louis appoints Louis d'Armagnac, Duke of Nemours as France's Viceroy of Naples.
August 27 – Battle of the Siritsa River: The Livonian Order, supporting the Grand Duchy of Lithuania in the Second Muscovite–Lithuanian War, and commanded by Wolter von Plettenberg, defeats an army of the Grand Duchy of Moscow and Pskov Republic.
September 3 – On complaints from Christopher Columbus, who had been replaced as Viceroy of the New World and arrested in 1500 by Francisco de Bobadilla, Queen Isabella of Spain orders that Bobadilla be recalled from Santo Domingo. Declining to allow Columbus to resume his brutal rule of the New World, the Queen appoints a friend, Nicolás de Ovando, as the new Viceroy. Although Bobadilla receives news of his firing several weeks later, he declines to step aside. Ovando will assemble a fleet of 30 ships and depart Spain on February 13 for Santo Domingo.
September 12 – Maximilian I, Archduke of Austria, issues a decree making firearms safety tests mandatory.
September 18 – Aleksandras Jogailaitis, Grand Duke of Lithuania, issues a decree requiring all Roman Catholic priests in the Duchy to become fluent in the Lithuanian language.
September 27 – Queen Isabella orders New World Governor Bobadilla to return the assets confiscated from Christopher Columbus and the two other Columbus brothers.^[7]

October–December

October 2
- Leonardo Loredan is elected 75th doge of the Venetian Republic, taking office on October 13, and serves for almost 20 years.
- Spanish princess Catherine of Aragon arrives in England and arrives at Plymouth. Although she will later become the wife of King Henry VIII in 1509, she initially arrives to marry Henry's older brother, Prince Arthur.
October 13 – Maximilian of Austria and Louis XII of France sign the Treaty of Trente with Austria recognizing all French conquests in the northern territories of Italy.
October 30 – The Banquet of Chestnuts is purportedly held by Cesare Borgia, in the Papal Palace of Rome (this account is not historical fact, and could be attributed to enemies of Alexander VI).
November 1 (All Saints) – Amerigo Vespucci discovers and names Baía de Todos os Santos, in Brazil.
November 4
- Second Muscovite–Lithuanian War: At the Battle of Mstislavl, Grand Prince Ivan's Southern Muscovite army defeats the forces of the Grand Duchy of Lithuania.^[8]
- Philip and Joanna of Castile leave for Spain.
November 12 – Sten Sture the Elder is elected Regent of Sweden for the second time, becoming the Scandinavian nation's chief executive after King Hans of Denmark is deposed. No replacement of the monarchy is planned by the rebel Swedish nobles.
November 14 – Arthur, Prince of Wales, marries the Spanish princess Catherine of Aragon.
November 24 – A large army of the Grand Duchy of Moscow overruns Livonia during the Second Muscovite–Lithuanian War.^[8]
December 12 – Grand Duke Aleksandras Jogailaitis, Grand Duke of Lithuania becomes the King of Poland as Aleksander I Jagiellończyk.
December 22 – (1 Jumada al-Thani 907 AH) Ismail I is enthroned as the first Shah of Iran, choosing Tabriz as his capital, founding the Safavid dynasty in northern Iran. He declares Shi'ism the official and compulsory religion, under penalty of death.
December 31 – First Battle of Cannanore: João da Nova fleet engaged the fleet of the Zamorin in a battle outside of the Cannanore harbor, the first Portuguese naval battle in the Indian Ocean.