Oct 10. Public holiday in most countries in the Americas and inmost Spanish-speaking countries. Observed under different names (Dia de laRaza or Day of the Race) and on different dates (most often, as in US, on the second Monday in October). Anniversary of Christopher Columbuss arrival, Oct 12, 1492, after a voyage across shoreless Seas, at the Bahamas (probably the island of Guanahani), which he renamed El Salvador and claimed in the name of the Spanish crown.
October 10, 2017 all-day