Monday October 11th, 2010 (That’s Columbus Day !) Microsoft is launching its new mobile operating system, Windows Phone 7, this morning.
Columbus Day, which is annually on the second Monday of October, remembers Christopher Columbus’ arrival to the Americas on October 12, 1492. Columbus Day first became an official state holiday in Colorado in 1906, and became a federal holiday in 1937. Columbus Day 2010 is celebrated on October 11 holiday.
Columbus Day 2010 is celebrated on October 11.Every years second Monday in October is Columbus Day.Columbus Day 2011 is October 10 in United States.