• International Workers Day
• Global Love Day
• Therapeutic Massage Awareness Day
• World Carnivorous Plant Day
• International Sunflower Guerrilla Gardening Day
• Phone in Sick Day
• All Children Exercise Simultaneously Day
• CSS Reboot Day
• Feast of Saint Joseph the Worker
• May Day - Europe
• Batman Day - USA
• Worthy Wage Day - USA
• National Chocolate Parfait Day - USA
• Frequent Flyer Day - USA
• National Interpreter Appreciation Day - USA
• National Skilled Trades Day - USA
• Purebred Dog Day - USA
• Save the Rhino Day - USA
• National School Principals Day - USA
• Couple Appreciation Day - USA
• Silver Star Day - USA
• New Homeowners Day - USA
• Great American Grump Out - USA
• National Anxiety Disorders Screening Day - USA
• Mother Goose Day - USA
• Loyalty Day - USA
• Law Day - USA
• Executive Coaching Day - USA
• Bread Pudding Recipe Exchange Day - USA
• Keep Kids Alive Drive 25 Day - USA
• Lily of the Valley Day - France
• Beltane - Ireland
• Lei Day - Hawaiian Islands
• Gopher Day - Canada
• National Physician’s Day - Canada
• Spirit of Speyside Whisky Festival - United Kingdom
• May Day (Maifeiertag) - Germany
• Mazu’s Birthday - China
• Staffordshire Day - United Kingdom
• Maharashtra Day - India
• Fiesta de la Virgen de Chapi - Peru
• Majdoor Divas - Nepal