1504

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Year 1504 (MDIV) was a leap year starting on Monday of the Julian calendar.

Events

January–March

January 1 – French troops of King Louis XII surrender Gaeta to the Spanish, under Gonzalo Fernández de Córdoba.<ref>Template:Cite book</ref>
January 21 – After the death of Sten Sture the Elder on December 14 the year before, Svante Nilsson is elected the new Regent of Sweden.<ref>Template:Cite book</ref>
January 31 – Treaty of Lyon: France cedes Naples to Ferdinand II of Aragon, who becomes King of Naples as Ferdinand III.<ref>Template:Cite journal</ref>
February 14 – King Ferdinand V of Castile contracts with Juan de la Cosa to finance an independent expedition to the Pearl Islands and the Gulf of Urabá.<ref>Template:Cite book</ref>
February 18 – The investiture of Prince Henry of England as Prince of Wales and Earl of Chester takes place.<ref>Template:Cite book</ref>
February 29 – Christopher Columbus uses his knowledge of a lunar eclipse this night, to convince the indigenous Jamaican people to provide him with supplies (in Europe, the eclipse is in the early morning of March 1).<ref>Template:Cite book</ref>
March 11 – King James IV of Scotland opens the Scottish Parliament for the first time since 1496.<ref>Template:Cite book</ref>
March 16 – In what is now India's Kerala state, a second invasion of the Portuguese-supported Kingdom of Cochin by the Zamorin of Calicut takes place, beginning a war that lasts until July 3.<ref>Template:Cite book</ref>
March 30 – The Eisho era begins in Japan during the reign of Emperor Go-Kashiwabara as the Bunki era ends.

April–June

April 1 – English guilds become subject to state control.
April 23 – Maximilian I, Holy Roman Emperor grants the Landshut inheritance to Albert IV during the War of the Succession of Landshut.<ref>Template:Cite book</ref> Maximilian would pronounce an imperial ban on Ruprecht on May 4, who Albert contested for the territory.
May 24 – Le Hien Tong, Emperor of Vietnam, dies after a reign of six years and is succeeded by his 15-year-old son Le Tuc Tong.<ref name="EOV">Template:Cite book</ref>
June 17 – Rao Bika Rathore, ruler of the Kingdom of Bikaner in India, dies after a reign of 32 years. For a brief time Bika is succeeded by his elder son Nara, but Nara quickly dies and Nara is succeeded by his brother Lunkaran.<ref>Template:Cite book</ref>
June 28 – After being marooned in Jamaica for six months, Christopher Columbus and his men are rescued by a Spanish ship.<ref>Template:Cite journal</ref>

July–September

July 2 – Bogdan III the One-Eyed becomes the new Prince of Moldavia upon the death of his father Stephen the Great.<ref>Template:Cite book</ref>
July 3 – The siege of Cochin in India by the invading forces of Calicut ends as the Portuguese and Cochin defenders defeat the invaders. Calicut loses 5,000 dead in battle and another 13,000 to disease, while Cochin and Portugal sustain minimal losses.
July 7 – At the age of 16, Lê Túc Tông becomes the new Emperor of Vietnam (Dai Viet) after the death of his father, Lê Hiến Tông, but serves for only six months before dying.<ref name="EOV" />
July 20 – Pope Julius II issues an order reforming the official coinage of the Papal States, raising the silver content of the carlino coin to four grams.<ref>Template:Cite book</ref> In that the Pope was formerly Giuliano della Rovere, the new coin is called the giulio in his honor and features the coat of arms of the della Rovere family.
August 19 – The Battle of Knockdoe is fought in Ireland's County Galway<ref>"The Battle of Knockdoe, 19 August 1504", by Donal O'Carroll, Journal of the Galway Archaeological and Historical Society (2004) p.46</ref> as 6,000 troops led by the English Lord Deputy of Ireland, Gerald FitzGerald, 8th Earl of Kildare assist Maelsechlainn mac Tadhg Ó Cellaigh, King of Uí Mháine, against 4,000 troops of Irish chieftain Ulick Fionn Burke, Lord of the Clanricarde lands. Burke had previously attacked and destroyed Ó Cellaigh's castles at Monivea, Castleblakeney and Garbally and sought Kildare's help. Kildare's forces win the battle.
September 8 – Michelangelo's sculpture of David is unveiled in Florence.<ref>Template:Cite book</ref><ref>Template:Cite web</ref>
September 13 – Queen Isabella and King Ferdinand issue a Royal Warrant for the construction of Capilla Real, a Royal Chapel, to be built in Granada.<ref>Template:Cite book</ref>
September 22 – Treaty of Blois: Philip I of Castile, Maximilian I and Louis XII agree to terms.<ref>Template:Cite book</ref>

October–December

October 12 – Isabella I of Castile signs her will and testament.<ref>Template:Cite book</ref>
November 7 – Christopher Columbus returns to Spain from his fourth voyage, during which he and his younger son, Ferdinand,<ref>Template:Cite book</ref> explored the coast of Central America from Belize to Panama.<ref>Template:Cite web</ref>
November 26 – On the death of Isabella I of Castile, Catholic Queen of Castile and Aragon, the Crown of Castile passes to her daughter Joanna.<ref name="TerjanianBayer2019">Template:Cite book</ref>
December 8
- (approximate date) Islamic scholar Ahmad ibn Abi Jum'ah issues the Oran fatwa for Muslims in Spain (1 Rajab 910 AH in Islamic calendar, Gregorian date is approximate).<ref>Template:Cite journal</ref>
- Lê Túc Tông dies after a reign of only six months as Emperor of Vietnam.<ref name="EOV" />
December 24 – Nils Ravaldsson, the leader of the rebellion after Knut Alvsson's death, is attacked and his resistance crushed at Olsborg Castle in Båhuslen.<ref>Template:Cite book</ref>

Date unknown

October – Babur besieges and captures Kabul.<ref>Template:Cite book</ref>
Islamization of the Sudan region: A Funj leader, Amara Dunqas, founds the Sultanate of Sennar.<ref>Template:Cite book</ref>
Sheikh Ahmed, the final leader of the Great Horde, is last heard of as a Lithuanian prisoner at Vilnius until 1527 when he was released, after which he came to rule over the Astrakhan Khanate.<ref>Template:Cite book</ref>
In Florence, Leonardo da Vinci and Niccolò Machiavelli become involved in a scheme to divert the Arno River, cutting the water supply to Pisa to force its surrender: Colombino, the project foreman, fails to follow da Vinci's design, and the project is a major failure.<ref>Template:Cite book</ref>
The Council of Ten discusses the advisability of proposing a scheme of a Suez Canal to the Sultan of Egypt, at the time Al-Ashraf Qansuh al-Ghuri, but the discussion is eventually abandoned.<ref>Template:Cite book</ref>
Aldus Manutius publishes his edition of Demosthenes in Venice.<ref>Template:Cite book</ref>
The Signoria of Florence commissions both Leonardo da Vinci and Michelangelo to paint the walls of the Grand Council Chamber in the Palazzo Vecchio.
Raphael paints The Marriage of the Virgin, which exemplifies some major principles of High Renaissance art.<ref>Template:Cite book</ref><ref>Template:Cite magazine</ref>