May 14th, 2025 World Migratory Bird Day May 15th, 2025 Peace Officers Memorial Day May 15th, 2025 International Day of Families May 16th, 2025 National Defense Transportation Day May 16th, 2025 Lag B'Omer May 17th, 2025 Armed Forces Day May 17th, 2025 World Information Society Day May 21st, 2025 World Day for Cultural Diversity May 22nd, 2025 National Maritime Day May 22nd, 2025 World Biological Diversity Day May 25th, 2025 African Liberation Day May 26th, 2025 Jefferson Davis Birthday May 26th, 2025 Memorial Day May 29th, 2025 Ascension Day May 29th, 2025 International Day of United Nations Peacekeepers May 31st, 2025 World No Tobacco Day June 1st, 2025 Statehood Day June 2nd, 2025 Shavuot June 2nd, 2025 Jefferson Davis Birthday June 3rd, 2025 Jefferson Davis Birthday June 4th, 2025 World Day for Child Victims of Aggression June 5th, 2025 World Environment Day June 7th, 2025 Eid-al-Adha June 8th, 2025 Pentecost June 8th, 2025 World Oceans Day June 9th, 2025 Whit Monday June 11th, 2025 Kamehameha Day June 12th, 2025 World Day Against Child Labour