January 28 - Data Protection Day
February
February 2 - World Wetlands Day
February 4 - World Cancer Day
February 6 - International Day Against Female Genital Mutilation
February 12 - Darwin Day
February 12 - World Day of the Sick, an observance day instituted by pope John Paul II
February 14 - Valentines Day
February 20 - World Day of Social Justice, recognized by the UN
February 21 - International Mother Language Day, recognized by the UN World Tourist Guide Day
March
March 4 - World Day of the Fight Against Sexual Exploitation ONG GIPF (site (French))
March 8 - United Nations Day for Women's Rights and International Peace
March 8 - International Women's Day
March 13 - World Kidney Day
March 15 - World Consumer Rights Day
March 20 - International Day of the Francophonie (site (French))
March 20 - World Day of Theatre for Children and Young People
March 21 - International Day for the Elimination of Racial Discrimination
March 22 - World Day for Water
March 23 - World Meteorological Day
March 24 - International Day for Achievers, World Tuberculosis Day
March 25 - International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
March 27 - World Theatre Day
April
April 2 - World Autism Awareness Day
April 4 - International Day for Mine Awareness and Assistance in Mine Action
April 7 - World Health Day
April 7 - International Day of Reflection on the Genocide in Rwanda
April 17 - World Hemophilia Day
April 21 - World Creativity and Innovation Day. Celebrations begin April 15 - Leonardo da Vinci's Birthday
April 22 - Earth Day
April 23 - World Book and Copyright Day
April 25 - World Malaria Day
April 26 - World Intellectual Property Day
April 28 - International Workers' Memorial Day
April 29 - World Dance Day
May
May 1 - May Day - Labour Day
May 3 - World Press Freedom Day
May 4 - International Firefighters' Day
May 8 - World Red Cross & Red Crescent Day
May 8-May 9 - Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War
May 10 - International Mothers Day
May 12 - International Nurses Day
May 15 - International Day of Families
May 17 - World Information Society Day
May 18 - World Museum Day
May 19 - World Hepatitis Day
May 21 - World Day for Cultural Diversity for Dialogue and Development
May 22 - International Day for Biological Diversity
May 23 - World Turtle Day
May 29 - International Day of United Nations Peacekeepers
May 31 - World No Tobacco Day
1st Tuesday of May - World Asthma Day
2nd Saturday of May - World Fair Trade Day
June
June 1 - International Children's Day
June 4 - International Day of Innocent Children Victims of Aggression
June 5 - World Environment Day
June 8 - World Brain Tumour Day
June 8 - World Ocean Day
June 12 - World Day against Child Labour
June 14 - World Blood Donor Day
June 17 - World Day to Combat Desertification and Drought
June 18 - International Picnic Day
June 20 - World Refugee Day
June 21 - World Music Day
June 23 - United Nations Public Service Day
June 26 - International Day against Drug Abuse and Illicit Trafficking
June 26 - International Day in Support of Victims of Torture
July
1st Saturday of July - International Day of Cooperatives
July 11 - World Population Day, recognized by the UN
August
August 9 - International Day of the World's Indigenous People
August 12 - International Youth Day
August 13 - Left-Handed Day
August 19 - World Humanitarian Day
August 23 - International Day for the Remembrance of the Slave Trade and Its Abolition
August 26 - Namibia Day
September
September 8 - International Literacy Day
September 11 - World First Aid Day
September 15 - International Day of Democracy
September 16 - International Day for the Preservation of the Ozone Layer
September 21 - International Day of Peace
September 21 - World Alzheimer's Day
September 22 - (World) Car Free Day(s)
September 25 - International Grab Hand Day
September 26 - European Day of Languages
September 27 - World Tourism Day
September 28 - Right to Know Day
September 28 - World Rabies Day
During last week of September - World Maritime Day, recognized by the UN
October
First Monday of October - World Habitat Day
October 1 - International Day of Older Persons
October 1 - World Vegetarian Day
October 2 - International Day of Non-Violence
October 3 - World Smile Day
October 4 - World Animal Day
October 5 - World Teachers' Day
Second Wednesday of October - International Day for Natural Disaster Reduction
October 6 - World Hospice and Palliative Care Day
October 8 - World Humanitarian Action Day
October 9 - World Post Day
October 10 - World Mental Health Day
October 10 - World Day Against Death Penalty
October 14 - World Standards Day
October 15 - International Day of Rural Women
October 16 - National Boss Day
October 16 - World Food Day, recognized by the UN
October 17 - International Day for the Eradication of Poverty
October 24 - United Nations Day
October 24 - World Development Information Day
November
Third Sunday of November - World Day of Remembrance for Road Traffic Victims
November 1 - World Vegan Day
November 6 - International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
November 8 - World Radiographer Day
November 9 - World Freedom Day
November 14 - World Diabetes Day
November 16 - International Day for Tolerance
November 17 - International Students Day
November 19 - International Men's Day (Trinidad and Tobago, Jamaica, Australia, India, Singapore, United Kingdom, United States, Malta)
November 19 - World Toilet Day
November 20 - Africa Industrialization Day
November 20 - Universal Children's Day
November 21 - World Hello Day
November 21 - World Television Day
November 25 - International Day for the Elimination of Violence against Women
November 29 - International Day of Solidarity with the Palestinian People, recognized by the UN
December
December 1 - World AIDS Day
December 2 - International Day for the Abolition of Slavery
December 3 - International Day of Disabled Persons
December 5 - International Volunteer Day for Economic and Social Development
December 7 - International Civil Aviation Day
December 9 - The International Day against Corruption
December 10 - Human Rights Day
December 11 - International Mountain Day
December 18 - International Migrants Day
December 19 - United Nations Day for South-South Cooperation
December 20 - International Human Solidarity Day