May 5th, 2013 Cinco de Mayo May 5th, 2013 Orthodox Easter May 6th, 2013 Orthodox Easter Monday May 8th, 2013 Truman Day May 8th, 2013 Time to Remember Lost Lives From World War II May 9th, 2013 Ascension Day May 10th, 2013 Confederate Memorial Day May 12th, 2013 Mother's Day May 14th, 2013 World Migratory Bird Day May 15th, 2013 International Day of Families May 15th, 2013 Peace Officers Memorial Day May 15th, 2013 Shavuot May 17th, 2013 World Information Society Day May 17th, 2013 National Defense Transportation Day May 18th, 2013 Armed Forces Day May 19th, 2013 Pentecost May 20th, 2013 Whit Monday May 21st, 2013 World Day for Cultural Diversity May 22nd, 2013 World Biological Diversity Day May 22nd, 2013 National Maritime Day May 25th, 2013 African Liberation Day May 26th, 2013 Trinity Sunday May 27th, 2013 Jefferson Davis Birthday May 27th, 2013 Memorial Day May 29th, 2013 International Day of United Nations Peacekeepers May 30th, 2013 Corpus Christi May 31st, 2013 World No Tobacco Day June 1st, 2013 Statehood Day June 3rd, 2013 Jefferson Davis Birthday June 4th, 2013 World Day for Child Victims of Aggression June 5th, 2013 World Environment Day June 6th, 2013 Isra and Mi'raj
