Labour Day (Around the world),
Hawaiian Lei Day (Hawaii),
Mother's Day (Hungary, Lithuania, Mozambique, Portugal, Spain)
May Day (Early May Bank Holiday) (UK),
The King's Birthday (Bhutan)
Constitution Day (Poland),
National Teacher Day (Around the world),
Mother's Day (Ireland, Nigeria, United Kingdom)
National Youth Day (Fiji)
Cinco de Mayo (US, CANADA,Mexico),
Children's Day (Japan),
Battle of Puebla (Mexico),
Liberation Day. (Neitherland),
Coronation Day (Thailand),
Constitution (Kyrgyzstan),
Cinco de Mayo (US)
Djurdjevdan ((Saint George) Slavas),
National Day of Prayer (US),
St. George's Day and Army Day (Bulgaria)
Join Hands Day (US),
Dien Bien Phu victory Day (Vietnam)
Mother's Day (US, Around the world),
Liberation Day (Czech Republic),
General Prayer Day (Denmark,Greenland),
Remembrance Day (Kyrgyzstan)
1945 Victory Day (Georgia,Kazakhstan,Turkmenistan,Ukraine,Azerbaijan),
Liberation Day (UK)
International Nurses Day (Around the world)
Ascension Day (Luxembourg)
Unification Day (Liberia)
Independence Day (Paraguay),
Aoi Festival (Japan)
Budha Purnima (India),
Vesak Day (Singapore)
Battle of Las Piedras (Uruguay),
Flag Day (Haiti)
Navy Day (Chile),
Ascension Day (Colombia,Greenland),
Independence Day (Montenegro),
Armed Force Day (US)
National Maritime Day (US),
Corpus Christi (Dominican Republic)
Education and Culture Day and Day of the Slavic Heritage (Bulgaria),
Independence Day (Eritrea),
Bermuda Day (Bermuda)
Liberation of the South (Lebanon),
Africa Day (Namibia,Zambia,Zimbabwe),
Anniversary of the May Revolution (Argentina)
Independence Day (Georgia)
Spring Bank Holiday (UK),
Memorial Day (US)
World No Tobacco Day (Around the world)