January 8 » The papal bull Romanus Pontifex awards the Kingdom of Portugal exclusive trade and colonization rights to all of Africa south of Cape Bojador.
February 4 » In the Thirteen Years' War, the Secret Council of the Prussian Confederation sends a formal act of disobedience to the Grand Master.
March 6 » Thirteen Years' War: Delegates of the Prussian Confederation pledge allegiance to King Casimir IV of Poland who agrees to commit his forces in aiding the Confederation's struggle for independence from the Teutonic Knights.
April 9 » The Treaty of Lodi is signed, establishing a balance of power among northern Italian city-states for almost 50 years.
September 18 » Thirteen Years' War: In the Battle of Chojnice, the Polish army is defeated by the Teutonic knights.
January 6 » The Catholic Monarchs Ferdinand and Isabella enter Granada at the conclusion of the Granada War.
April 30 » Spain gives Christopher Columbus his commission of exploration.
July 31 » The Jews are expelled from Spain when the Alhambra Decree takes effect.
August 12 » Christopher Columbus arrives in the Canary Islands on his first voyage to the New World.
September 6 » Christopher Columbus sails from La Gomera in the Canary Islands, his final port of call before crossing the Atlantic Ocean for the first time.
December 25 » The carrack Santa María, commanded by Christopher Columbus, runs onto a reef off Haiti due to an improper watch.
When copying data from this family tree, please include a reference to the origin: Kees Willems, "Family tree Willems Hoogeloon-Best", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-willems-hoogeloon-best/I21395.php : accessed June 23, 2024), "Casimir IV van POLEN (1427-1492)".
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