January 16 » The first grammar of the Spanish language (Gramática de la lengua castellana) is presented to Queen Isabella I.
March 31 » Queen Isabella of Castile issues the Alhambra Decree, ordering her 150,000 Jewish and Muslim subjects to convert to Christianity or face expulsion.
April 30 » Spain gives Christopher Columbus his commission of exploration.
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 5 » Christopher Columbus becomes the first European to set foot on the island of Hispaniola (now Haiti and the Dominican Republic).
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P6060.php : accessed April 30, 2025), "Elizabeth Tudor (1492-1495)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.