May 2, 2030 World Tuna Day
May 2, 2030 National Day of Prayer
May 3, 2030 World Press Freedom Day
May 3, 2030 Kentucky Oaks
May 4, 2030 Kent State Shootings Remembrance
May 4, 2030 Kentucky Derby
May 4, 2030 Rhode Island Independence Day
May 4, 2030 National Explosive Ordnance Disposal (EOD) Day
May 5, 2030 Cinco de Mayo
May 6, 2030 National Nurses Day
May 8, 2030 Yom Ha'atzmaut
May 8, 2030 Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War
May 8, 2030 World Ovarian Cancer Day
May 8, 2030 Victory in Europe Day
May 10, 2030 Confederate Memorial Day
May 10, 2030 Confederate Memorial Day
May 10, 2030 Native American Day
May 10, 2030 Military Spouse Appreciation Day
May 11, 2030 World Migratory Bird Day
May 12, 2030 International Nurses Day
May 12, 2030 Mother's Day
May 14, 2030 Primary Election Day
May 15, 2030 International Day of Families
May 15, 2030 Peace Officers Memorial Day
May 17, 2030 World Information Society Day
May 17, 2030 National Defense Transportation Day
May 18, 2030 Armed Forces Day
May 18, 2030 Preakness Stakes
May 20, 2030 World Autoimmune
May 21, 2030 World Day for Cultural Diversity for Dialogue and Development
May 22, 2030 International Day for Biological Diversity
May 22, 2030 Emergency Medical Services for Children Day
May 22, 2030 National Maritime Day
May 22, 2030 Harvey Milk Day
May 23, 2030 International Day to End Obstetric Fistula
May 25, 2030 African Liberation Day
May 25, 2030 National Missing Children's Day
May 27, 2030 Memorial Day
May 27, 2030 Jefferson Davis' Birthday
May 29, 2030 International Day of United Nations Peacekeepers
May 30, 2030 Ascension Day
May 31, 2030 World No Tobacco Day
May 20, 2030 Autoinflammatory Arthritis Day