National & Traditional Holidays New Year's Day: January 1 ML King, Jr. Day: 3rd Mon. in January National Freedom Day: February 1 Groundhog Day: February 2 St. Valentine's Day: February 14 Susan B. Anthony Day: February 15 Presidents' Day: 3rd Mon. in February St. Patrick's Day: March 17 Fool's Day: April 1 Pan American Day: April 14 Secretaries' Day: Last Wed. in April May Day (Russia): May 1 Loyalty Day (US): May 1 Cinco De Mayo: May 5 Mother's Day: 2nd Sun. in May Armed Forces Day: 3rd Sat. in May National Maritime Day: May 22 Memorial Day: Last Mon. in May Flag Day: June 14 Father's Day: 3rd Sun in June Independence Day: July 4 Assumption Day: August 15 Labor Day: 1st Mon in Sept Citizenship Day: Sept 17 Child Health Day: 1st Mon in Oct Columbus Day: 2nd Mon. in Oct World Poetry Day: Oct 15 Bosses' Day: Oct 16 Sweetest's Day: Third Sunday in October United Nations Day: October 24 Mother-in-Laws' Day: Fourth Sunday in October Reformation Day: October 31 Halloween: October 31 All Saints' Day: November 1 Election Day: First Tuesday of November Veterans' Day: November 11 Thanksgiving: Fourth Thursday in November Bill of Rights Day: December 15 Wright Brothers Day: December 17 Christmas: December 25