The Collaborative International Dictionary
Columbus Day \Co*lum"bus Day\ The 12th day of October, on which day in 1492 Christopher Columbus discovered America, landing on one of the Bahama Islands (probably the one now commonly called Watling Island), and naming it ``San Salvador''; -- called also Discovery Day. This day is made a legal holiday in many States of The United States.
Wikipedia
Columbus Day is a national holiday in many countries in the Americas and elsewhere which officially celebrates the anniversary of Christopher Columbus' arrival in and discovery of the American Continent, which happened on October 12, 1492. The landing is celebrated as Columbus Day in the United States, as Día de la Raza ("Day of the Race") in many countries in Latin America and as Día de la Hispanidad and Fiesta Nacional in Spain, where it is also the religious festivity of la Virgen del Pilar. It is also celebrated as Día de las Américas (Day of the Americas) in Belize and Uruguay, as Discovery Day in the Bahamas, as Día del Respeto a la Diversidad Cultural (Day of Respect for Cultural Diversity) in Argentina and as Giornata Nazionale di Cristoforo Colombo or Festa Nazionale di Cristoforo Colombo in Italy and in the Little Italys around the world. These holidays have been celebrated unofficially since the late 18th century and officially in various countries since the early 20th century.
Columbus Day is a 2008 crime drama starring Val Kilmer, Marg Helgenberger and Wilmer Valderrama.