Worldwide Day of Play

World Vegetarian Day on October 1;

International Coffee Day on October 1 (At a meeting on 3–7 March 2014, a decision was taken by the International Coffee Organization to launch the first official International Coffee Day in Milan as part of Expo 2015);

Balloons Around The World Day on October 1;

World Cocoa and Chocolate Day on October 1;

World Multiplication Table Day on October 1 (Held on the first Friday in October);

International Gaucher Disease Day on October 1;

Occupational Therapy Month and Rett Syndrome Awareness Month in Canada on October 1;

Mental Illness Awareness Week and Human papilloma virus Prevention Week in Canada on October 1 (October 1 to 7);

Children's Day in El Salvador, Guatemala, Sri Lanka on October 1;

Children's Day in Singapore on October 1 (celebrated on the first Friday of October);

World Day for Farmed Animals on October 2;

World No Alcohol Day on October 2;

World Farm Animals Day on October 2;

International Frugal Fun Day on October 2 (first Saturday in October);

World Card Making Day on October 2 (the first Saturday in October);

Medical Technologist's Day in Chile on October 2;

World Walking Day on October 3;

Animal Welfare Week on October 3 (First Full Week of October);

Virus Appreciation Day on October 3;