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United Nations observances
Sub-categories
| Date | Event | Place |
|---|---|---|
| Aug 19, 2025 | World Humanitarian Day 2025 | World |
| Aug 21, 2025 | International Day of Remembrance and Tribute to the Victims of Terrorism 2025 | World |
| Aug 22, 2025 | International Day Commemorating the Victims of Acts of Violence Based on Religion or Belief 2025 | World |
| Aug 23, 2025 | International Day for the Remembrance of Slave Trade and of its Abolition 2025 | World |
| Aug 29, 2025 | International Day against Nuclear Tests 2025 | World |
| Aug 31, 2025 | International Day for People of African Descent 2025 | World |
| September 2025 | ||
| Sep 05, 2025 | International Day of Charity 2025 | World |
| Sep 07, 2025 | International Day of Clean Air for Blue Skies 2025 | World |
| Sep 07, 2025 | International Day of Police Cooperation 2025 | World |
| Sep 07, 2025 | World Duchenne Awareness Day 2025 | World |
| Sep 08, 2025 | International Literacy Day 2025 | World |
| Sep 09, 2025 | International Day to Protect Education from Attack 2025 | World |
| Sep 12, 2025 | United Nations Day for South-South Cooperation 2025 | World |
| Sep 15, 2025 | International Day of Democracy 2025 | World |
| Sep 16, 2025 | International Day for Interventional Cardiology 2025 | World |
| Sep 16, 2025 | International Day of Science, Technology and Innovation for the South 2025 | World |
| Sep 17, 2025 | World Patient Safety Day 2025 | World |
| Sep 18, 2025 | International Equal Pay Day 2025 | World |
| Sep 20, 2025 | International Day of University Sport 2025 | World |
| Sep 20, 2025 | World Cleanup Day 2025 | World |
| Sep 21, 2025 | International Day of Peace 2025 | World |
| Sep 23, 2025 | International Day of Sign Languages 2025 | World |
| Sep 25, 2025 | International Soninke Language Day 2025 | World |
| Sep 25, 2025 | World Maritime Day 2025 | World |
| Sep 26, 2025 | International Day for the Total Elimination of Nuclear Weapons 2025 | World |
| Sep 27, 2025 | World Tourism Day 2025 | World |
| Sep 28, 2025 | International Day for Universal Access to Information 2025 | World |
| Sep 29, 2025 | International Day of Awareness of Food Loss and Waste 2025 | World |
| October 2025 | ||
| Oct 01, 2025 | International Day of Older Persons 2025 | World |
| Oct 02, 2025 | International Day of Non-Violence 2025 | World |
| Oct 05, 2025 | World Teachers' Day 2025 | World |
| Oct 06, 2025 | International Geodiversity Day 2025 | World |
| Oct 06, 2025 | World Habitat Day 2025 | World |
| Oct 07, 2025 | World Cotton Day 2025 | World |
| Oct 09, 2025 | World Post Day 2025 | World |
| Oct 11, 2025 | International Day of the Girl Child 2025 | World |
| Oct 11, 2025 | World Migratory Bird Day in October 2025 | World |
| Oct 15, 2025 | International Day of Rural Women 2025 | World |
| Oct 17, 2025 | International Day for the Eradication of Poverty 2025 | World |
| Oct 17, 2025 | International Day of the Intangible Cultural Heritage 2025 | World |
| Oct 20, 2025 | World Statistics Day 2025 | World |
| Oct 23, 2025 | International Day of the Snow Leopard 2025 | World |
| Oct 24, 2025 | United Nations Day 2025 | World |
| Oct 24, 2025 | World Development Information Day 2025 | World |
| Oct 27, 2025 | World Day for Audiovisual Heritage 2025 | World |
| Oct 29, 2025 | International Day of Care and Support 2025 | World |
| Oct 29, 2025 | World Coding Day 2025 | World |
| Oct 31, 2025 | World Cities Day 2025 | World |
| November 2025 | ||
| Nov 02, 2025 | International Day to End Impunity for Crimes against Journalists 2025 | World |
| Nov 03, 2025 | International Day for Biosphere Reserves 2025 | World |
| Nov 05, 2025 | World Day of Romani Language 2025 | World |
| Nov 05, 2025 | World Tsunami Awareness Day 2025 | World |
| Nov 06, 2025 | International Day against Violence and Bullying at School, including Cyberbullying 2025 | World |
| Nov 06, 2025 | International Day for Preventing the Exploitation of the Environment in War and Armed Conflict 2025 | World |
| Nov 10, 2025 | World Science Day for Peace and Development 2025 | World |
| Nov 14, 2025 | International Day against Illicit Trafficking in Cultural Property 2025 | World |
| Nov 15, 2025 | International Day for the Prevention of and Fight against All Forms of Transnational Organized Crime 2025 | World |
| Nov 16, 2025 | International Day for Tolerance 2025 | World |
| Nov 16, 2025 | World Day of Remembrance for Road Traffic Victims 2025 | World |
| Nov 18, 2025 | International Day of Islamic Art 2025 | World |
| Nov 18, 2025 | World Day for the Prevention of and Healing from Child Sexual Exploitation, Abuse and Violence 2025 | World |
| Nov 20, 2025 | Africa Industrialization Day 2025 | World |
| Nov 20, 2025 | Universal Children's Day 2025 | World |
| Nov 20, 2025 | World Philosophy Day 2025 | World |
| Nov 21, 2025 | World Television Day 2025 | World |
| Nov 24, 2025 | World Conjoined Twins Day 2025 | World |
| Nov 25, 2025 | International Day for the Elimination of Violence against Women 2025 | World |
| Nov 26, 2025 | World Olive Tree Day 2025 | World |
| Nov 26, 2025 | World Sustainable Transport Day 2025 | World |
| Nov 29, 2025 | International Day of Solidarity with the Palestinian People 2025 | World |
| Nov 30, 2025 | Day of Remembrance for all Victims of Chemical Warfare 2025 | World |
| December 2025 | ||
| Dec 02, 2025 | International Day for the Abolition of Slavery 2025 | World |
| Dec 02, 2025 | World Futures Day 2025 | World |
| Dec 03, 2025 | United Nations' International Day of Persons with Disabilities 2025 | World |
| Dec 04, 2025 | International Day Against Unilateral Coercive Measures 2025 | World |
| Dec 04, 2025 | International Day of Banks 2025 | World |
| Dec 05, 2025 | International Volunteer Day 2025 | World |
| Dec 05, 2025 | World Soil Day 2025 | World |
| Dec 09, 2025 | International Day of Commemoration and Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime 2025 | World |
| Dec 10, 2025 | Human Rights Day 2025 | World |
| Dec 12, 2025 | International Day of Neutrality 2025 | World |
| Dec 12, 2025 | International Universal Health Coverage Day 2025 | World |
| Dec 18, 2025 | UN Arabic Language Day 2025 | World |
| Dec 20, 2025 | International Human Solidarity Day 2025 | World |
| Dec 21, 2025 | World Basketball Day 2025 | World |
| Dec 21, 2025 | World Meditation Day 2025 | World |
| Dec 27, 2025 | International Day of Epidemic Preparedness 2025 | World |
| January 2026 | ||
| Jan 04, 2026 | World Braille Day 2026 | World |
| Jan 14, 2026 | World Logic Day 2026 | World |
| Jan 24, 2026 | International Day of Education 2026 | World |
| Jan 26, 2026 | International Day of Clean Energy 2026 | World |
| Jan 27, 2026 | International Holocaust Remembrance Day 2026 | World |
| February 2026 | ||
| Feb 04, 2026 | International Day of Human Fraternity 2026 | World |
| Feb 10, 2026 | World Pulses Day 2026 | World |
| Feb 11, 2026 | International Day of Women and Girls in Science 2026 | |
| Feb 12, 2026 | International Day for the Prevention of Violent Extremism as and when Conducive to Terrorism 2026 | World |
| Feb 13, 2026 | World Radio Day 2026 | World |
| Feb 20, 2026 | World Day of Social Justice 2026 | World |
| March 2026 | ||
| Mar 01, 2026 | World Seagrass Day 2026 | World |
| Mar 01, 2026 | Zero Discrimination Day 2026 | World |