* 1503 – Christian III of Denmark ( d. 1559 )

* 1503 – The Battle of Cerignola is fought.

Around 1503 – 1505 he produced the first seventeen of a set illustrating the Life of the Virgin, which he did not finish for some years.

* House of Bourbon ( 1268 – 1503 )

Coming from modest beginnings in Savona, Liguria, the family rose to prominence through nepotism and ambitious marriages arranged by two Della Rovere popes, Francesco della Rovere, who ruled as Pope Sixtus IV ( 1471 – 1484 ) and his nephew Giuliano ( Pope Julius II, 1503 – 1513 ).

* 1503 – Nostradamus, French astrologer ( d. 1566 )

* 1471 – Piero di Lorenzo de ' Medici, Italian ruler ( d. 1503 )

* 1503 – Disfida di Barletta – famous challenge between 13 Italian and 13 French knights near Barletta.

* 1466 – Elizabeth of York, wife of Henry VII of England ( d. 1503 )

* Ferdinand I, Holy Roman Emperor ( 1503 – 1564 )

# Gumprecht ( 16 July 1503, Ansbach – 25 June 1528, Naples ), a canon in Bamberg.

* Andrzej Frycz Modrzewski ( 1503 – 1572 )

# Agnes ( b. Dresden, 7 January 1503 – d. Dresden, 16 April 1503 ).

Mai Ali Gazi ibn Dunama ( c. 1475 – 1503 ) defeated the Bilala, reestablishing complete control of Kanem.

* Ippolita Gonzaga ( 13 November 1503 – 16 March 1570 ), a nun.

* 1503 – Parmigianino, Italian artist ( d. 1540 )

* 1503 – Wilhelm von Grumbach, German adventurer ( d. 1567 )

* 1503 – Anne of Bohemia and Hungary ( d. 1547 )

The Mona Lisa, Leonardo da Vinci, oil on panel, 1503 – 19, probably completed while the artist was at the court of Francis I of France | Francis I.

Mona Lisa or La Gioconda ( 1503 – 1505 / 1507 )— Louvre, Paris, France

* 1446 – Margaret of York, wife of Charles I, Duke of Burgundy ( d. 1503 )

* January 1 – King Christian III of Denmark and Norway ( b. 1503 )

Elizabeth of York ( 11 February 1466 – 11 February 1503 ) was Queen consort of England as spouse of King Henry VII from 1486 until 1503.

* Marietta de Patras ( died 1503 ), Greek mistress of King John II of Cyprus and the mother of his illegitimate son King James II of Cyprus

In 1503, she married James IV, King of Scots.

When Oliver King, Bishop of Bath and Wells 1495 – 1503, visited Bath in 1499 he was shocked to find this famous church in ruins.

* Elizabeth of York ( 1466 – 1503 ), the Queen Consort of King Henry VII of England

Henry II ( 18 April 1503 – 25 May 1555 ) was the eldest son of John III of Navarre ( died 1516 ) and Catherine I of Navarre, sister and heiress of Francis Phoebus, King of Navarre ; he was born at Sangüesa.

* Ferdinand I ( 1503 – 1564 ), King of Bohemia and Hungary, Holy Roman Emperor.

In 1501 he was involved in the negotiations for Catherine of Aragon's marriage to Arthur, Prince of Wales, and in 1503 conducted Margaret Tudor to Scotland for her wedding to King James IV.

On November 9, 1503, Vladislav, King of Hungary wrote to the Doge of Venice: " The voivode of Moldavia is tormented by an old illness.

In August 1503, James IV, King of Scots, married Margaret Tudor, eldest daughter of Henry VII of England, and the spirit of the new age was celebrated by the poet William Dunbar in The Thistle and the Rose.

Born in Lancashire to a family of minor gentry, he probably attended both Oxford and Cambridge universities, following which he was a clerk at Durham, then a rector in Cornwall before being employed by Lady Margaret Beaufort ( mother of King Henry VII ), rising to be the chancellor of her household by 1503.

This event was the result of an event in August 1503: James IV, King of Scots, married Margaret Tudor, the eldest daughter of Henry VII of England as a consequence of the Treaty of Perpetual Peace, concluded the previous year which, in theory, ended centuries of English-Scottish rivalry.

Ferdinand II of Aragon, King of Spain, banned the planting of vines in Hispaniola in 1503.

There is evidence that he moved from Genoa to Barletta in 1501, where he became a servant of King Frederick of Naples, leaving in 1503 for Venice, where he rejoined his father Dom Isaac.

King Manuel I by charter dated 23 March 1503, elevated the local community to status of Vila ( town ) and seat of the municipality ( which included the parishes of Porto Judeu and the locality of Raminho, which for a time pertained to the ecclesiastical parish of Altares ).

Her paternal grandparents were Ferdinand I, Holy Roman Emperor and Anne of Bohemia ( 1503 – 1547 ), daughter of King Ladislaus II of Bohemia and Hungary and his wife Anne of Foix-Candale.

Katherine Tudor ( 2 February 1503 – 10 February 1503 ) was the eighth and last child of King Henry VII of England and Elizabeth of York.

Margaret Tudor, the bride of King James IV of Scots, stayed here as the guest of the Earl of Morton before her formal entry to Edinburgh in 1503.

Antonio Bonfini ( Latin variant: Antonius Bonfinius ) ( 1434 – 1503 ) was an Italian humanist and poet who spent the last years of his career as a court historian in Hungary with King Matthias Corvinus .< ref >