| Dates |
Events |
| May 1
|
- May Day, Maharashtra Day
- Constitution Day (Argentina)
- Armed Forces Day (Mauritania)
- Lei Day (United States)
- Beltane (Ireland, Neopaganism)
|
| May 2
|
- Flag Day (Poland)
- Birth Anniversary of Third Druk Gyalpo (Bhutan)
- Anniversary of the Dos de Mayo Uprising (Community of Madrid, Spain) Indonesia National Education Day
|
| May 3
|
- Constitution Memorial Day (Japan)
- Sun Day
- Roodmas
- Constitution Day (Poland)
- Eid-ul-Fitr
|
| May 4
|
- Death of Milan Rastislav Stefanik Day (Slovakia)
- Anti-Bullying Day (United Nations) Cassinga Day (Namibia)
- Greenery Day (Japan)
- Bird Day (United States)
- Remembrance of the Dead (Netherlands)
- Youth Day (China, Fiji)
- Remembrance Day for Martyrs and Disabled (Afghanistan)
- Literary Day (Taiwan)
- Restoration of Independence day (Latvia)
- World Give Day
- Star Wars Day
- Coal Miners Day
|
| May 5
|
- Patriots’ Victory Day (Ethiopia)
- Lusophone Culture Day (Portuguese
- Language Countries)
- Children’s Day (Japan, Korea)
- Cinco de Mayo (US)
- Martyrs’ Day (Albania)
- Constitution Day (Kyrgyzstan)
- Midwives’ Day
- Indian Arrival Day (Guyana)
- Coronation Day (Thailand)
- Tango no sekku (Japan), Liberation Day
- (Denmark)
- Europe Day
- Senior Citizens Day (Palau)
- Feast of al-Khadr or Saint George
- (Palestinian people)
- Liberation Day (Netherlands)
|
| May 6
|
- No-Diet Day, Martyrs’ Day (Gabon
- Lebanon, Syria)
- Police Day (Georgia)
- Yuri’s Day (Russian Orthodox Church) Teachers’ Day (Jamaica)
- Durdevdan (Gorani, Roma)
- Day of Bravery (Bulgaria)
|
| May 7
|
- Rabindranath Tagore Jayanti
- Dien Bien Phu Victory Day (Vietnam) Radio Day (Russia, Bulgaria)
- Defender of the Fatherland Day (Kazakhstan)
|
| May 8
|
- World Laughter Day (First Sunday of May)
- World Red Cross Day
- Red Crescent Day
- Remembrance and Reconciliation of
- Lives Lost during the Second World War
- VE Day (Western Europe)
- Miguel Hidalgo’s birthday (Mexico)
- Veterans Day (Norway)
- Parents’ Day (South Korea)
- White Lotus Day (Theosophy)
- Truman Day (United States)
|
| May 9
|
- Liberation Day (Guernsey, Jersey) Anniversary of Dianetics (Church of Scientology)
- Victory Day over Nazism in World War II (Ukraine)
- Europe Day (European Union)
- Victory and Peace Day (Armenia)
- Victory Day (Soviet Union, Uzbekistan, Turkmenistan, Tajikistan, Serbia, Russia, Moldova, Kyrgyzstan, Kazakhstan, Israel, Georgia, Herzegovina, Bosnia, Belarus and Azerbaijan)
|
| May 10
|
- Liberation Day (Sark)
- Children’s Day (Maldives)
- Golden Spike Day
- Confederate Memorial Day (North Carolina and South Carolina) Independence Day (Romania) Constitution Day (Federated States of Micronesia)
|
| May 11
|
- Vietnam Human Rights Day
- Statehood Day (Minnesota)
|
| May 12
|
- International Myalgic Encephalomyelitis/ Chronic Fatigue Syndrome Awareness Day
- Saint Andrea the First Day (Georgia) Day of the Finnish Identity (Finland)
|
| May 13
|
- Rotuma Day (Fiji)
- Heroes’ Day (Romania)
- Abbotsbury Garland Day (England)
|
| May 14
|
- Hastings Banda’s Birthday (Malawi) National Unification Day (Liberia)
- First day of Izumo-Taisha Shrine Grand Festival (Japan)
|
| May 15
|
- Teachers’ Day (Colombia, Mexico, South Korea)
- Beginning of Tourette Syndrome awareness month
- Republic Day (Lithuania)
- Army Day (Slovenia)
- Nakba Day (Palestinian communities), Saint Ubaldo Day
- Constituent Assembly Day (Lithuania) Independence Day (Paraguay)
- Peace Officers Memorial Day (United States)
- Mother’s Day (Second Sunday of May)
|
| May 16
|
- Teachers’ Day (Malaysia)
- Martyrs of Sudan (US)
- Mass Graves Day (Iraq)
- St Brendan Birthday & Feast Day National Day (South Sudan)
|
| May 17
|
- World Telecommunication Day
- Galician Literature Day (Spain)
- National Day Against Homophobia (Canada)
- Norwegian Constitution Day
- Constitution Day (Nauru)
- International Day Against Homophobia
- Transphobia and Biphobia
- World Information Society Day
- Birthday of the Raja (Perlis)
- Navy Day (Argentina)
- Children’s Day (Norway)
- Liberation Day (the Democratic Republic of the Congo)
|
| May 18
|
- International Museum Day
- Teacher’s Day (Syria)
- Flag & Universities Day (Haiti)
- Baltic Fleet Day (Russia)
- Revival, Unity, and Poetry of Magtymguly Day (Turkmenistan)
- Battle of Las Piedras Day (Uruguay)
- Victory Day (Sri Lanka)
- Mullivaikkal Remembrance Day (Sri Lankan Tamils)
- Day of Remembrance of Crimean Tatar genocide (Ukraine)
- Independence Day (Somaliland)
|
| May 19
|
- Hepatitis Testing Day (United States)
- Malcolm X Day (United States of America)
- Commemoration of Ataturk, Youth and Sports Day (Turkey, Northern Cyprus)
- Ho Chi Minh’s Birthday (Vietnam)
- Greek Genocide Remembrance Day (Greece)
- National Asian & Pacific Islander
- HIV/AIDS Awareness Day
|
| May 20
|
- Josephine Baker Day (NAACP)
- Emancipation Day (Florida)
- Day of Remembrance (Cambodia)
- National Day (Cameroon)
- European Maritime Day (European Council)
- National Awakening Day (Indonesia)
- Independence Day (Cuba, East Timor)
- National Endangered Species Day (India) (3rd Friday in May)
|
| May 21
|
- Armed Forces Day (US) (3rd Saturday of May)
- Saint Helena Day
- Afro-Colombian Day (Colombia)
- Navy Day (Chile)
- Circassian Day of Mourning (Circassians)
- World Day for Cultural Diversity for
- Dialogue and Development
- Day of Patriots and Military (Hungary)
|
| May 22
|
- National Sovereignty Day (Haiti) National Maritime Day (United States) Abolition Day (Martinique)
- Harvey Milk Day (California)
- Unity Day (Yemen)
- Translation of the Relics of Saint
- Nicholas from Myra to Bari (Ukraine)
- Republic Day (Sri Lanka)
- World Goth Day
|
| May 23
|
- Students’ Day (Mexico)
- World Turtle Day
- Constitution Day (Germany)
- Labour Day (Jamaica)
|
| May 24
|
- Saints Cyril and Methodius Day (Eastern Orthodox Church)
- Independence Day (Eritrea)
- Feast of Mary Help of Christians (Roman Catholicism)
- Lubiri Memorial Day (Buganda)
- Aldersgate Day/ Wesley Day (Methodism)
- Commonwealth Day (Belize)
- Battle of Pichincha Day (Ecuador)
|
| May 25
|
- Day of Youth
- May Revolution (Argentina)
- Africa Day
- African Liberation Day
- Geek Pride Day
- Towel Day
- Liberation Day (Lebanon)
- Liberation Day (Lebanon)
- Independence Day (Jordan)
- National Day (Argentina)
- International Missing Children’s Day
- National Tap Dance Day (United States)
- Last bell (Russia, post-Soviet countries)
- National Missing Children’s Day (United States)
|
| May 26
|
- National Paper Airplane Day (United States)
- Mother’s Day (Poland)
- Crown Prince’s Birthday (Denmark) Independence Day (Guyana, Georgia)
- National Day of Healing (Australia)
|
| May 27
|
- Start of National Reconciliation Week (Australia)
- Navy Day (Japan)
- Armed Forces Day (Nicaragua)
- Slavery Abolition Day (Guadeloupe, Saint Barthélemy, Saint Martin), Children’s Day (Nigeria)
- World MS Day
- Mother’s Day (Bolivia)
|
| May 28
|
- Youm-e-Takbir (Pakistan)
- Armed Forces Day (Croatia)
- Independence Day (Armenia)
- Flag Day (Philippines)
- The downfall of the Derg Day (Ethiopia)
- TDFR Republic Day
- Republic Day (Nepal)
|
| May 29
|
- International Day of United Nations Peacekeepers
- Oak Apple Day (England)
- Army Day (Argentina)
- Castleton Garland Day (Castleton)
- Veterans Day (Sweden)
- World Digestive Health Day
- Statehood Day (Rhode Island and Wisconsin)
|
| May 30
|
- Indian Arrival Day (Trinidad and Tobago)
- Parliament Day (Croatia)
- Anguilla Day (Anguilla)
- Lod Massacre Remembrance Day (Puerto Rico)
- Canary Islands Day (Spain)
- Mother’s Day (Nicaragua)
- National Memorial Day (US) (Last Monday of May)
|
| May 31
|
- Castile–La Mancha Day (Castile-La Mancha)
- Anniversary of Royal Brunei Malay Regiment (Brunei)
- Visitation of Mary (Western Christianity)
|