May 2, 2029 World Tuna Day
May 3, 2029 World Press Freedom Day
May 3, 2029 National Day of Prayer
May 4, 2029 Kent State Shootings Remembrance
May 4, 2029 Kentucky Oaks
May 4, 2029 Rhode Island Independence Day
May 5, 2029 Cinco de Mayo
May 5, 2029 Kentucky Derby
May 5, 2029 National Explosive Ordnance Disposal (EOD) Day
May 6, 2029 National Nurses Day
May 8, 2029 Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War
May 8, 2029 World Ovarian Cancer Day
May 8, 2029 Victory in Europe Day
May 10, 2029 Ascension Day
May 10, 2029 Confederate Memorial Day
May 10, 2029 Confederate Memorial Day
May 11, 2029 Native American Day
May 11, 2029 Military Spouse Appreciation Day
May 12, 2029 World Migratory Bird Day
May 12, 2029 International Nurses Day
May 13, 2029 Mother's Day
May 15, 2029 International Day of Families
May 15, 2029 Peace Officers Memorial Day
May 17, 2029 World Information Society Day
May 18, 2029 National Defense Transportation Day
May 19, 2029 Armed Forces Day
May 19, 2029 Preakness Stakes
May 20, 2029 World Autoimmune
May 21, 2029 World Day for Cultural Diversity for Dialogue and Development
May 22, 2029 International Day for Biological Diversity
May 22, 2029 National Maritime Day
May 22, 2029 Harvey Milk Day
May 23, 2029 International Day to End Obstetric Fistula
May 23, 2029 Emergency Medical Services for Children Day
May 25, 2029 African Liberation Day
May 25, 2029 National Missing Children's Day
May 27, 2029 Trinity Sunday
May 28, 2029 Memorial Day
May 28, 2029 Jefferson Davis' Birthday
May 29, 2029 International Day of United Nations Peacekeepers
May 31, 2029 Corpus Christi
May 31, 2029 World No Tobacco Day
May 20, 2029 Autoinflammatory Arthritis Day