List of Important International Days of the World

International days are annual observances, set up mostly by the United Nations and its specialized agencies, to push important issues into the global spotlight. They cover a lot of ground health, education, human rights, the environment, science, culture, peace, and sustainable development all get their own dedicated dates on the calendar.

That’s really the point of international observances: they pull people together around goals that no single country can tackle alone. A day on the calendar builds awareness, nudges people toward action, and reminds nations that some problems are everyone’s responsibility. World Environment Day pushes conservation. International Women’s Day puts gender equality front and center. World Health Day turns attention toward public health gaps that might otherwise slip under the radar.

This table includes the major internationally recognized annual observances with fixed dates. Some international observances (such as World Migratory Bird Day, World Habitat Day, and World Toilet Summit-related events) are observed on specific weekdays rather than fixed calendar dates.

Earth Day Logo
DateInternational Day
January 4World Braille Day
January 24International Day of Education
January 26International Day of Clean Energy
January 27International Day of Commemoration in Memory of the Victims of the Holocaust
February 2World Wetlands Day
February 4World Cancer Day
February 6International Day of Zero Tolerance for Female Genital Mutilation
February 10World Pulses Day
February 11International Day of Women and Girls in Science
February 13World Radio Day
February 20World Day of Social Justice
February 21International Mother Language Day
March 1Zero Discrimination Day
March 3World Wildlife Day
March 8International Women’s Day
March 20International Day of Happiness
March 20French Language Day
March 21International Day for the Elimination of Racial Discrimination
March 21World Poetry Day
March 21International Day of Forests
March 21World Down Syndrome Day
March 21International Day of Nowruz
March 22World Water Day
March 23World Meteorological Day
March 24World Tuberculosis Day
March 25International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
March 25International Day of Solidarity with Detained and Missing Staff Members
April 2World Autism Awareness Day
April 4International Day for Mine Awareness and Assistance in Mine Action
April 5International Day of Conscience
April 6International Day of Sport for Development and Peace
April 7World Health Day
April 12International Day of Human Space Flight
April 21World Creativity and Innovation Day
April 22International Mother Earth Day
April 23World Book and Copyright Day
April 23English Language Day
April 23Spanish Language Day
April 24International Day of Multilateralism and Diplomacy for Peace
April 25World Malaria Day
April 26World Intellectual Property Day
April 28World Day for Safety and Health at Work
April 30International Jazz Day
May 2World Tuna Day
May 3World Press Freedom Day
May 8Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War
May 10World Migratory Bird Day (second Saturday of May)
May 12International Day of Plant Health
May 15International Day of Families
May 16International Day of Living Together in Peace
May 17World Telecommunication and Information Society Day
May 20World Bee Day
May 21World Day for Cultural Diversity for Dialogue and Development
May 22International Day for Biological Diversity
May 23International Day to End Obstetric Fistula
May 29International Day of UN Peacekeepers
May 31World No Tobacco Day
June 1Global Day of Parents
June 3World Bicycle Day
June 5World Environment Day
June 6Russian Language Day
June 7World Food Safety Day
June 8World Oceans Day
June 12World Day Against Child Labour
June 14World Blood Donor Day
June 15World Elder Abuse Awareness Day
June 17World Day to Combat Desertification and Drought
June 18Sustainable Gastronomy Day
June 19International Day for the Elimination of Sexual Violence in Conflict
June 20World Refugee Day
June 21International Day of Yoga
June 23United Nations Public Service Day
June 23International Widows’ Day
June 25Day of the Seafarer
June 26International Day Against Drug Abuse and Illicit Trafficking
June 26International Day in Support of Victims of Torture
June 27Micro-, Small and Medium-sized Enterprises Day
June 29International Day of the Tropics
June 30International Asteroid Day
July 11World Population Day
July 15World Youth Skills Day
July 18Nelson Mandela International Day
July 20International Moon Day
July 25World Drowning Prevention Day
July 28World Hepatitis Day
July 30International Day of Friendship
July 30World Day Against Trafficking in Persons
August 9International Day of the World’s Indigenous Peoples
August 12International Youth Day
August 19World Humanitarian Day
August 21International Day of Remembrance and Tribute to the Victims of Terrorism
August 22International Day Commemorating the Victims of Acts of Violence Based on Religion or Belief
August 23International Day for the Remembrance of the Slave Trade and Its Abolition
August 29International Day Against Nuclear Tests
September 5International Day of Charity
September 7International Day of Clean Air for Blue Skies
September 8International Literacy Day
September 10World Suicide Prevention Day
September 15International Day of Democracy
September 16International Day for the Preservation of the Ozone Layer
September 21International Day of Peace
September 23International Day of Sign Languages
September 26International Day for the Total Elimination of Nuclear Weapons
September 27World Tourism Day
September 28International Day for Universal Access to Information
September 29International Day of Awareness of Food Loss and Waste
October 1International Day of Older Persons
October 2International Day of Non-Violence
October 5World Teachers’ Day
October 9World Post Day
October 10World Mental Health Day
October 11International Day of the Girl Child
October 13International Day for Disaster Risk Reduction
October 15International Day of Rural Women
October 16World Food Day
October 17International Day for the Eradication of Poverty
October 24United Nations Day
October 24World Development Information Day
October 31World Cities Day
November 2International Day to End Impunity for Crimes against Journalists
November 5World Tsunami Awareness Day
November 6International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
November 10World Science Day for Peace and Development
November 14World Diabetes Day
November 16International Day for Tolerance
November 19World Toilet Day
November 20World Children’s Day
November 20Africa Industrialization Day
November 21World Television Day
November 25International Day for the Elimination of Violence against Women
November 29International Day of Solidarity with the Palestinian People
December 1World AIDS Day
December 2International Day for the Abolition of Slavery
December 3International Day of Persons with Disabilities
December 5World Soil Day
December 5International Volunteer Day
December 7International Civil Aviation Day
December 9International Anti-Corruption Day
December 10Human Rights Day
December 11International Mountain Day
December 12International Universal Health Coverage Day
December 18International Migrants Day
December 20International Human Solidarity Day

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Today, the International Days List runs past 200, celebrated in one form or another across the globe every year. Some carry official UN recognition; others come from different international bodies entirely. Either way, they add up to a system that educates the public, nudges policy, and keeps countries working toward a more sustainable, peaceful, and inclusive world.

Most of these international days trace back to a UN General Assembly resolution, adopted after member states recognize a challenge or milestone that needs coordinated attention. Others come from agencies working outside that process entirely: the World Health Organization, UNESCO, the Food and Agriculture Organization, and the International Labour Organization all designate their own. None of them count as public holidays, though. Instead, they give governments, schools, businesses, non-profits, and everyday communities a reason to run campaigns, host educational events, and get people talking.

Writing and checked by Worldlistmania Editors

This page may contain external links, which lead to more information, and some links help support the project.

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