1503

Centuries:	15th century - 16th century - 17th century
Decades:	1470s 1480s 1490s - 1500s - 1510s 1520s 1530s
Years:	1500 1501 1502 - 1503 - 1504 1505 1506

1503 in topic:
Subjects: Archaeology - Architecture -
Art - Literature - Music - Science
Leaders: State leaders - Colonial governors
Category: Establishments - Disestablishments
Births - Deaths - Works v • d • e

Year 1503 (MDIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.

Events of 1503

January 20 - Seville in Castile is awarded exclusive right to trade with the New World.
February 13 - Disfida di Barletta: Thirteen Italian knights defeat 13 French knights near Barletta.
February 23 - French-Spanish Wars in Italy - Battle of Ruvo: The Spanish defeat the French.
April 21 - Battle of Cerignola: Aragonese forces under Gonzalo Fernández de Córdoba defeat the French under the Duc de Nemours, who is killed (considered to be the first battle in history won by gunpowder small arms).
May 10 - Christopher Columbus discovers the Cayman Islands, which he names Las Tortugas after the numerous sea turtles there.
May 13 - Naples is captured by the Spanish.
May 28
- James IV of Scotland and Margaret Tudor are married by Pope Alexander VI according to Papal Bull.
- The Treaty of Everlasting Peace between Scotland and England is signed; it actually lasts 10 years.

July 23 - Orbital calculations suggest that on this day, Pluto moves outside Neptune's orbit, remaining there for 233 years.
August 8 - King James IV of Scotland marries Margaret Tudor, daughter of King Henry VII of England at Holyrood Abbey, Edinburgh, Scotland.
September 22 - Pope Pius III (Francesco Todeschini Piccolomini) succeeds Pope Alexander VI as the 215th pope, but dies on October 18.
October 30 - Queen Isabella of Spain bans violence against native tribes.
October 31 - Pope Julius II succeeds Pope Pius III as the 216th pope, though some sources list November 1 as the actual date of election.
December 14 - Michel de Nostredame aka Nostradamus is born in France. World famous for his visions, he will write the book Les Propheties, which will first appear in the year 1555.
December 29 - Battle of (the) Garigliano, near Gaeta, Italy: Spanish forces under Gonzalo Fernández de Córdoba defeat a French-Italian mercenary army under Ludovico II, the Marquis of Saluzzo. The French forces withdraw to Gaeta.

Work on Mona Lisa begins.

Leonardo da Vinci starts work on the Mona Lisa.
The book Imitation of Christ by Thomas à Kempis is re-published in an English translation.
Canterbury Cathedral is finally finished, after 433 years of construction.
Henry VII’s chapel, the final stage of English gothic art, is begun in Westminster Abbey.
The pocket handkerchief comes into general use in polite European society.
A perpendicular style chapel is added to Westminster Abbey.
Vasco da Gama establishes India's first Portuguese fortress at Cochin.
Mariotto Albertinelli paints his masterpiece, the Visitation of the Virgin.
The Bermuda Islands are discovered by Juan de Bermudez.
The last ruler of the Great Horde is executed as a political maneuver. When Moscow and Lithuania make peace, the Lithuanian king orders the execution in order to seal the pact with Moscow, of whom the Mongol leader is an enemy.