January
January 1st:
Global Family Day
January 27th:
International Day of Commemoration in Memory of the Victims of the Holocaust (United Nations)
February
February 2nd:
Rheumatoid Arthritis Awareness Day (Rheumatoid Patient Foundation)
February 4th:
World Cancer Day (Union for International Cancer Control)
February 6th:
International Day of Zero Tolerance to Female Genital Mutilation (United Nations)
February 13th:
World Radio Day (UNESCO)
February 20th:
World Day of Social Justice (United Nations)
February 21st:
International Mother Language Day (UNESCO)
March
March 1st:
Zero Discrimination Day (UNAIDS)
March 3rd:
World Wildlife Day
March 8th:
International Women’s Day (United Nations)
March 20th:
International Day of Happiness (United Nations)
March 21st:
- International Day for the Elimination of Racial Discrimination (United Nations)
- International Day of Forests (United Nations)
- International Day of Nowruz (United Nations)
- World Poetry Day (UNESCO)
- World Down Syndrome Day (United Nations)
March 22nd:
World Water Day (United Nations)
March 23rd:
World Meteorological Day (World Meteorological Organization)
March 24th:
World Tuberculosis Day (World Health Organization)
March 25th:
April
April 2nd:
World Autism Awareness Day (United Nations)
April 4th:
International Day for Mine Awareness and Assistance in Mine Action (United Nations)
April 6th:
International Day of Sport for Development and Peace (United Nations)
April 7th:
- Day of Remembrance of the Victims of the Rwanda Genocide (United Nations)
- World Health Day (World Health Organization)
April 12th:
International Day of Human Space Flight (United Nations)
April 22nd:
International Mother Earth Day (United Nations)
April 23rd:
April 25th:
World Malaria Day (World Health Organization)
April 26th:
World Intellectual Property Day (World Intellectual Property Organization)
April 28th:
World Day for Safety and Health at Work (International Labour Organization)
April 30th:
International Jazz Day (United Nations)
May
May 3rd:
World Press Freedom Day (United Nations)
May 15th:
International Day of Families (United Nations)
May 17th:
- International Day Against Homophobia and Transphobia (IDAHO Committee)
- World Telecommunication and Information Society Day (International Telecommunication Union)
May 21st:
World Day for Cultural Diversity for Dialogue and Development (United Nations)
May 22nd:
International Day for Biological Diversity (United Nations)
May 23rd:
- International Day to End Obstetric Fistula (United Nations)
- World Turtle Day (American Tortoise Rescue)
May 29th:
International Day of UN Peacekeepers (United Nations)
June
June 1st:
Global Day of Parents (United Nations)
June 4th:
International Day of Innocent Children Victims of Aggression (United Nations)
June 5th:
World Environment Day (United Nations)
June 8th:
World Oceans Day (United Nations)
June 12th:
World Day Against Child Labour (International Labour Organization)
June 14th:
World Blood Donor Day (World Health Organization)
June 15th:
World Elder Abuse Awareness Day (United Nations)
June 17th:
World Day to Combat Desertification and Drought (United Nations)
June 20th:
World Refugee Day (United Nations)
June 23rd:
June 25th:
Day of the Seafarer (International Maritime Organisation)
June 26th:
July
July 11th:
World Population Day (United Nations)
July 18th:
Nelson Mandela International Day (Nelson Mandela Foundation)
July 28th:
World Hepatitis Day (World Health Organization)
July 29th:
International Tiger Day (Saint Petersburg Tiger Summit)
July 30th:
August
August 9th:
International Day of the World’s Indigenous Peoples (United Nations)
August 10th:
World Lion Day
August 12th:
August 19th:
World Humanitarian Day (United Nations)
August 23rd:
International Day for the Remembrance of the Slave Trade and Its Abolition (United Nations)
August 26th:
World Dog Day
August 29th:
International Day against Nuclear Tests (United Nations)
August 30th:
International Day of the Victims of Enforced Disappearances (United Nations)
September
September 1st:
International Primate Day (Animal Defenders International)
September 5th:
International Day of Charity (United Nations)
September 8th:
International Literacy Day (United Nations)
September 12th:
United Nations Day for South-South Cooperation
September 15th:
International Day of Democracy (United Nations)
September 16th:
International Day for the Preservation of the Ozone Layer (United Nations)
September 21st:
September 22nd:
World Rhino Day (WWF-South Africa)
September 26th:
- International Day for the Total Elimination of Nuclear Weapons (United Nations)
- International Rabbit Day
September 27th:
World Tourism Day (United Nations)
September 28th:
World Rabies Day
October
October 1st:
International Day of Older Persons (United Nations)
October 2nd:
International Day of Non-Violence (United Nations)
October 4th:
World Animal Day
October 5th:
World Teachers’ Day (United Nations)
October 8th:
World Octopus Day
October 9th:
World Post Day (Universal Postal Union)
October 10th:
- World Homeless Day
- World Mental Health Day (World Federation for Mental Health)
October 11th:
October 13th:
International Day for Disaster Reduction (United Nations)
October 15th:
International Day of Rural Women (United Nations)
October 16th:
World Food Day (Food and Agriculture Organization of the United Nations)
October 17th:
International Day for the Eradication of Poverty (United Nations)
October 21st:
Reptile Awareness Day
October 24th:
October 25th:
International Artist Day
October 27th:
World Day for Audiovisual Heritage (United Nations)
November
November 1st:
World Vegan Day (The Vegan Society UK)
November 2nd:
International Day to End Impunity for Crimes against Journalists (United Nations)
November 6th:
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict (United Nations)
November 10th:
World Science Day for Peace and Development (United Nations)
November 13th:
World Kindness Day
November 14th:
World Diabetes Day (United Nations)
November 16th:
International Day for Tolerance (United Nations)
November 17th:
World Prematurity Day (EFCNI and various European parent organisations)
November 19th:
World Toilet Day (United Nations)
November 20th:
Universal Children’s Day (United Nations)
November 21st:
World Television Day (United Nations)
November 22nd:
Africa Industrialization Day (United Nations)
November 25th:
International Day for the Elimination of Violence against Women (United Nations)
November 29th:
International Day of Solidarity with the Palestinian People (United Nations)
December
December 1st:
World AIDS Day (United Nations)
December 2nd:
International Day for the Abolition of Slavery (United Nations)
December 3rd:
International Day of Persons with Disabilities (United Nations)
December 5th:
- International Volunteer Day (United Nations)
- World Soil Day (Food and Agriculture Organization of the United Nations)
December 7th:
International Civil Aviation Day (United Nations)
December 9th:
International Anti-Corruption Day (United Nations)
December 10th:
Human Rights Day (United Nations)
December 11th:
International Mountain Day (United Nations)
December 18th:
International Migrants Day (United Nations)
December 20th:
International Human Solidarity Day (United Nations)