May
101 special days in May.
May 1
International Workers' Day
Worldwide
May 1
Labour and Solidarity Day (Turkey)
National
May 1 – 31
No Meat May
Worldwide
May 1 – 31
National Photography Month
Worldwide
May 1 – 31
Skin Cancer Awareness Month
National
May 1 – 31
National Physical Fitness and Sports Month
National
May 1 – 31
Jewish American Heritage Month
National
May 1 – 31
National Foster Care Month
National
May 1 – 31
Mental Health Awareness Month
National
May 2
World Tuna Day
Worldwide
May 3
World Press Freedom Day
Worldwide
May 3
Constitution Day
National
May 4
Star Wars Day
Worldwide
May 4
World Drone Day
Worldwide
May 4
Anti-Bullying Day
Worldwide
May 4 – 10
National Small Business Week
National
May 4 – 10
National Hurricane Preparedness Week
National
May 5
Cinco de Mayo
Worldwide
May 5
Children's Day
National
May 5
Liberation Day
National
May 5
World Hand Hygiene Day
Worldwide
May 5
World Portuguese Language Day
Worldwide
May 5
African World Heritage Day
Worldwide
May 6
International No Diet Day
Worldwide
May 7
World Athletics Day
Worldwide
May 8
World Red Cross and Red Crescent Day
Worldwide
May 8
World Ovarian Cancer Day
Worldwide
May 8
VE Day
National
May 8 – 9
Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War
Worldwide
May 9
Europe Day
Regional
May 9
Victory Day
National
May 10
World Migratory Bird Day
Worldwide
May 10
World Lupus Day
Worldwide
May 10
International Day of Argania
Worldwide
May 11 – 17
American Craft Beer Week
National
May 11 – 17
Police Week
National
May 12
International Nurses Day
Worldwide
May 12
International Day of Plant Health
Worldwide
May 13
Leprechaun Day
Worldwide
May 14
Scientific Pharmacy Day (Turkey)
National
May 14
Farmers' Day (Turkey)
National
May 15
International Day of Families
Worldwide
May 15
Nakba Day
National
May 15
Peace Officers Memorial Day
National
May 16
Honor Our LGBT Elders Day
National
May 16
International Invention Day
Worldwide
May 16
International Day of Living Together in Peace
Worldwide
May 16
International Day of Light
Worldwide
May 17
IDAHOBIT — Against Homophobia, Transphobia & Biphobia
Worldwide
May 17
Norway Constitution Day
National
May 17
Endangered Species Day
Worldwide
May 17
World Telecommunication and Information Society Day
Worldwide
May 17
World Hypertension Day
Worldwide
May 18
International Museum Day
Worldwide
May 18 – 24
National Vegetarian Week
National
May 18 – 24
Dementia Action Week
National
May 18 – 24
World Trade Week
National
May 19
Atatürk Commemoration, Youth and Sports Day (Turkey)
National
May 19
Malcolm X Day
National
May 19
World Fair Play Day
Worldwide
May 20
World Bee Day
Worldwide
May 20
Be a Millionaire Day
Worldwide
May 20
International Customer Support Day
Worldwide
May 20
National Rescue Dog Day
National
May 20
National High Heel Day
National
May 20
International Academic Freedom Day
Worldwide
May 20
World Metrology Day
Worldwide
May 21
World Tea Day
Worldwide
May 21
World Fish Migration Day
Worldwide
May 21
World Day for Cultural Diversity for Dialogue and Development
Worldwide
May 22
International Day for Biological Diversity
Worldwide
May 22
Bitcoin Pizza Day
Worldwide
May 22
Harvey Milk Day
National
May 22
Yemen Unification Day
National
May 22
National Maritime Day
National
May 23
German Basic Law Day
National
May 23
World Turtle Day
Worldwide
May 23
International Day to End Obstetric Fistula
Worldwide
May 24
International Day of the Markhor
Worldwide
May 25
Towel Day
Worldwide
May 25
World Football Day
Worldwide
May 25
World Otter Day
Worldwide
May 25
Geek Pride Day
Worldwide
May 25
National Wine Day
National
May 25
May Revolution Day
National
May 25
Jordan Independence Day
National
May 25
Africa Day
Worldwide
May 25 – 31
Week of Solidarity with the Peoples of Non-Self-Governing Territories
Worldwide
May 26
World Redhead Day
Worldwide
May 28
World Hamburger Day
Worldwide
May 28
Brunettes Day
National
May 29
International Day of UN Peacekeepers
Worldwide
May 29
International Everest Day
Worldwide
May 30
World MS Day
Worldwide
May 30
Statehood Day in Croatia
National
May 30
International Day of Potato
Worldwide
May 31
World No Tobacco Day
Worldwide
May 31
National Smile Day
Worldwide
May 31
World Parrot Day
Worldwide
May 31
World Foster Day
Worldwide
May 31
Blonde Hair Day
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