May 1, 2005 Last day of Passover
May 1, 2005 Orthodox Easter
May 2, 2005 Orthodox Easter Monday
May 3, 2005 World Press Freedom Day
May 4, 2005 Kent State Shootings Remembrance
May 4, 2005 Rhode Island Independence Day
May 5, 2005 Ascension Day
May 5, 2005 Cinco de Mayo
May 5, 2005 National Day of Prayer
May 6, 2005 Kentucky Oaks
May 6, 2005 National Nurses Day
May 7, 2005 Kentucky Derby
May 8, 2005 Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War
May 8, 2005 Victory in Europe Day
May 9, 2005 Truman Day observed
May 10, 2005 Confederate Memorial Day
May 12, 2005 Yom Ha'atzmaut
May 12, 2005 International Nurses Day
May 13, 2005 Friday the 13th
May 15, 2005 International Day of Families
May 15, 2005 Peace Officers Memorial Day
May 20, 2005 National Defense Transportation Day
May 21, 2005 World Day for Cultural Diversity for Dialogue and Development
May 21, 2005 Armed Forces Day
May 21, 2005 Preakness Stakes
May 22, 2005 Trinity Sunday
May 22, 2005 International Day for Biological Diversity
May 22, 2005 National Maritime Day
May 23, 2005 Day of Vesak
May 25, 2005 African Liberation Day
May 25, 2005 National Missing Children's Day
May 26, 2005 Corpus Christi
May 29, 2005 International Day of United Nations Peacekeepers
May 30, 2005 Memorial Day
May 30, 2005 Jefferson Davis' Birthday
May 31, 2005 World No Tobacco Day