July 26 » Wars of the Roses: The Battle of Edgecote Moor, pitting the forces of Richard Neville, 16th Earl of Warwick against those of Edward IV of England, takes place.
August 1 » Louis XI of France founds the chivalric order called the Order of Saint Michael in Amboise.
October 19 » Ferdinand II of Aragon marries Isabella I of Castile, a marriage that paves the way to the unification of Aragon and Castile into a single country, Spain.
March 15 » Christopher Columbus returns to Spain after his first trip to the Americas.
May 4 » Pope Alexander VI divides the New World between Spain and Portugal along the Line of Demarcation.
September 9 » Battle of Krbava Field, a decisive defeat of Croats in Croatian struggle against the invasion by the Ottoman Empire.
November 3 » Christopher Columbus first sights the island of Dominica in the Caribbean Sea.
November 18 » Christopher Columbus first sights the island now known as Puerto Rico.
November 19 » Christopher Columbus goes ashore on an island called Borinquen he first saw the day before. He names it San Juan Bautista (later renamed again Puerto Rico).
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I48403.php : accessed May 10, 2025), "Ghijselbrecht de Roo (1445-1493)".
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