Columbus Day Columbus Day Columbus Day is a national holiday in many countries of the Americas and elsewhere which officially celebrates the anniversary of Christopher Columbus's arrival in the Americas on October 12, 1492. Christopher Columbus was an Italian explorer who set sail across the Atlantic Ocean in search of a faster route to the New World. His first voyage to the New World on the Spanish ships the Santa María, Niña"," and La Pinta took approximately three months. Columbus and his crew's arrival to the New World initiated the Columbian Exchange which introduced the transfer of plants, animals, culture, human populations,
Month quarter of a day shorter than the solar year and stellar events "wandered" through the calendar, it is referred to as Annus Vagus or "Wandering Year". The Nisga'a calendar coincides with the Gregorian calendar with each month referring to the type of harvesting that is done during the month. This calendar was proposed during the French Revolution, and used by the French government for about twelve years from late 1793. There were twelve months of 30 days each, grouped into three ten-day weeks called "décades". The five or six extra days needed to approximate the tropical year were placed after