List Of Important International Days (2021)

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The International Days and Special Occasions are declared by specialized agencies of the United Nations such as UNICEF, UNESCO, FAO, etc.

The list includes:

  • Special Days
  • International days observed by the United Nations
  • Important International Days
  • World International Days, etc.

World International Days


DateMonthInternational Day
4JanuaryWorld Braille Day
11JanuaryNational Human Trafficking Awareness Day
14JanuaryWorld Logic Day
17JanuaryWorld Religion Day
24JanuaryInternational Day of Education
24JanuaryWorld Day for African and Afrodescendant Culture
27JanuaryInternational Holocaust Day
30JanuaryWorld Leprosy Eradication Day


DateMonthInternational Day
1FebruaryWorld Interfaith Harmony Week
2FebruaryWorld Wetlands Day
4FebruaryWorld Cancer Day
4FebruaryInternational Day of Human Fraternity
6FebruaryInternational Day of Zero Tolerance to Female Genital Mutilation
10FebruaryWorld Pulses Day
11FebruaryInternational Day of Women and Girls in Science
13FebruaryWorld Radio Day
20FebruaryWorld Day of Social Justice
21FebruaryInternational Mother Language Day
23FebruaryWorld Peace and Understanding Day


DateMonthInternational Day
1MarchZero Discrimination Day
3MarchWorld Wildlife Day
4MarchWorld Day of the Fight Against Sexual Exploitation
4MarchWorld Engineering Day for Sustainable Development
8MarchInternational Women’s Day
10MarchInternational Day of Women Judges
14MarchInternational Day of Action for Rivers
14MarchInternational Day of Mathematics
15MarchWorld Consumer Rights Day
20MarchInternational Day of Happiness
20MarchInternational Francophonie Day
20MarchFrench Language Day
20MarchWorld Sparrow Day
21MarchInternational Day for the Elimination of Racial Discrimination
21MarchWorld Poetry Day
21MarchInternational Day of Nowruz
21MarchWorld Down Syndrome Day
21MarchInternational Day of Forests
22MarchWorld Water Day
23MarchWorld Meteorological Day
24MarchWorld Tuberculosis Day
24MarchInternational Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims
25MarchInternational Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
25MarchInternational Day of Solidarity with Detained and Missing Staff Members


DateMonthInternational Day
2AprilWorld Autism Awareness Day
4AprilInternational Day for Mine Awareness and Assistance in Mine Action
5AprilInternational Day of Conscience
6AprilInternational Day of Sport for Development and Peace
7AprilInternational Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda
7AprilWorld Health Day
12AprilInternational Day of Human Space Flight
14AprilWorld Chagas Disease Day
15AprilWorld Art Day
17AprilWorld Hemophilia Day
18AprilWorld Heritage Day
20AprilChinese Language Day
21AprilWorld Creativity and Innovation Day
22AprilInternational Mother Earth Day
23AprilWorld Book and Copyright Day
23AprilEnglish Language Day
23AprilSpanish Language Day
23AprilInternational Girls in ICT Day
24AprilInternational Day of Multilateralism and Diplomacy for Peace
25AprilInternational Delegate’s Day
25AprilWorld Malaria Day
26AprilInternational Chernobyl Disaster Remembrance Day
26AprilWorld Intellectual Property Day
28AprilWorld Day for Safety and Health at Work
30AprilInternational Jazz Day


DateMonthInternational Day
1MayLabour Day
2MayWorld Tuna Day
3MayWorld Press Freedom Day
5MayWorld Asthma Day
5MayAfrican World Heritage Day
5MayWorld Portuguese Language Day
7May“Vesak”, the Day of the Full Moon
8MayWorld Red Cross Day
8MayWorld Migratory Bird Day
8MayTime of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War
10MayInternational Day of Argania
15MayInternational Day of Families
15MayInternational Astronomy Day
16MayInternational Day of Living Together in Peace
16MayInternational Day of Light
17MayWorld Telecommunication and Information Society Day
18MayInternational Museum Day
20MayWorld Bee Day
20MayWorld Metrology Day
21MayInternational Tea Day
21MayWorld Day for Cultural Diversity for Dialogue and Development
22MayInternational Day for Biological Diversity
23MayInternational Day to End Obstetric Fistula
24MayCommonwealth Day
28MayInternational Day of Action for Women’s Health
29MayInternational Day of UN Peacekeepers
29MayInternational Mount Everest Day
31MayWorld No-Tobacco Day


DateMonthInternational Day
1JuneGlobal Day of Parents
3JuneWorld Bicycle Day
4JuneInternational Day of Innocent Children Victims of Aggression
5JuneWorld Environment Day
5JuneInternational Day for the Fight against Illegal, Unreported and Unregulated Fishing
6JuneRussian Language Day
7JuneWorld Food Safety Day
8JuneWorld Oceans Day
12JuneWorld Day Against Child Labour
13JuneInternational Albinism Awareness Day
14JuneWorld Blood Donor Day
15JuneWorld Elder Abuse Awareness Day
16JuneInternational Day of Family Remittances
17JuneWorld Day to Combat Desertification and Drought
18JuneSustainable Gastronomy Day
19JuneInternational Day for the Elimination of Sexual Violence in Conflict
19JuneWorld Sickle Cell Day
20JuneWorld Refugee Day
21JuneInternational Day of Yoga
21JuneInternational Day of the Celebration of the Solstice
21JuneWorld Music Day
23JuneUnited Nations Public Service Day
23JuneInternational Widows’ Day
23JuneInternational Olympic Day
25JuneDay of the Seafarer
26JuneInternational Day against Drug Abuse and Illicit Trafficking
26JuneUnited Nations International Day in Support of Victims of Torture
27JuneMicro-, Small and Medium-sized Enterprises Day
29JuneInternational Day of the Tropics
30JuneInternational Asteroid Day
30JuneInternational Day of Parliamentarism


DateMonthInternational Day
1JulyNational Doctors’ Day
1JulyNational Chartered Accountants Day
1JulyCanada Day
1JulyGST Day
1JulyNational Gingersnap Day
2JulyWorld UFO Day
2JulyWorld Sports Journalists Day
2JulyNational Anisette Day
3JulyInternational Day of Cooperatives
3JulyInternational Plastic Bag Free Day
3JulyInternational Co-operative Day
4JulyIndependence Day of United States
5JulyBikini Day
6JulyWorld Zoonoses Day
6JulyInternational Kissing Day
7JulyGlobal Forgiveness Day
7JulyWorld Chocolate Day
10JulyNational Fish Farmers’ Day
11JulyWorld Population Day
11JulyNational 7-Eleven Day
12JulyNational Simplicity Day
12JulyPaper Bag Day
14JulyBastille Day
15JulyWorld Youth Skills Day
17JulyWorld Day for International Justice
17JulyWorld Emoji Day
18JulyNelson Mandela International Day
18JulyNational Ice Cream Day
20JulyWorld Chess Day
22JulyPi Approximation Day
23JulyNational Broadcasting Day
24JulyNational Thermal Engineers Day
24JulyGuru Purnima
25JulyWorld Drowning Prevention Day
25JulyNational Parents Day
26JulyInternational Day for the Conservation of the Mangrove Ecosystem
26JulyKargil Vijay Diwas
28JulyWorld Hepatitis Day
28JulyWorld Nature Conservation Day
29JulyInternational Tiger Day
30JulyInternational Day of Friendship
30JulyWorld Day against Trafficking in Persons
31JulyWorld Ranger Day


DateMonthInternational Day
1AugustWorld Breastfeeding Week
6AugustHiroshima Day
9AugustNagasaki Day
9AugustInternational Day of the World’s Indigenous Peoples
12AugustInternational Youth Day
19AugustWorld Humanitarian Day
20AugustWorld Mosquito Day
21AugustInternational Day of Remembrance and Tribute to the Victims of Terrorism
21AugustWorld Senior Citizen Day
22AugustInternational Day Commemorating the Victims of Acts of Violence Based on Religion or Belief
23AugustInternational Day for the Remembrance of the Slave Trade and Its Abolition
29AugustInternational Day against Nuclear Tests
30AugustInternational Day of the Victims of Enforced Disappearances


DateMonthInternational Day
2SeptemberWorld Coconut Day
5SeptemberInternational Day of Charity
7SeptemberInternational Day of Clean Air for Blue Skies
8SeptemberInternational Literacy Day
9SeptemberInternational Day to Protect Education from Attack
12SeptemberUnited Nations Day for South-South Cooperation
15SeptemberInternational Day of Democracy
16SeptemberInternational Day for the Preservation of the Ozone Layer
17SeptemberWorld Patient Safety Day
18SeptemberInternational Equal Pay Day
19SeptemberInternational Talk Like a Pirate Day
20SeptemberInternational Day of University Sport
21SeptemberInternational Day of Peace
21SeptemberWorld Alzheimer’s Day
21SeptemberBiosphere Day
22SeptemberWorld Rhino Day
23SeptemberInternational Day of Sign Languages
24SeptemberWorld Maritime Day
26SeptemberInternational Day for the Total Elimination of Nuclear Weapons
27SeptemberWorld Tourism Day
28SeptemberInternational Day for Universal Access to Information
29SeptemberInternational Day of Awareness of Food Loss and Waste
30SeptemberInternational Translation Day
30SeptemberInternational Blasphemy Rights Day


DateMonthInternational Day
1OctoberInternational Day of Older Persons
2OctoberInternational Day of Non-Violence
4OctoberWorld Animal Welfare Day
4OctoberWorld Habitat Day
4OctoberWorld Space Week
5OctoberWorld Teachers’ Day
9OctoberWorld Post Day
9OctoberWorld Migratory Bird Day
10OctoberWorld Mental Health Day
10OctoberWorld Migratory Bird Day
11OctoberInternational Day of the Girl Child
13OctoberInternational Day for Disaster Risk Reduction
15OctoberInternational Day of Rural Women
16OctoberWorld Food Day
17OctoberInternational Day for the Eradication of Poverty
20OctoberWorld Statistics Day
20OctoberInternational Day of the Air Traffic Controller
24OctoberUnited Nations Day
24OctoberWorld Development Information Day
24OctoberWorld Polio Day
27OctoberWorld Day for Audiovisual Heritage
30OctoberWorld Thrift Day
31OctoberWorld Cities Day


DateMonthInternational Day
2NovemberInternational Day to End Impunity for Crimes against Journalists
5NovemberWorld Tsunami Awareness Day
5NovemberWorld Day of Romani Language
6NovemberInternational Day for Preventing the Exploitation of the Environment in War and Armed Conflict
10NovemberWorld Science Day for Peace and Development
10NovemberWorld Immunization Day
12NovemberWorld Pneumonia Day
13NovemberWorld Kindness Day
14NovemberWorld Diabetes Day
14NovemberInternational Day against Illicit Trafficking in Cultural Property
15NovemberWorld Day of Remembrance for Road Traffic Victims
16NovemberInternational Day for Tolerance
17NovemberInternational Students Day
18NovemberInternational Day of Islamic Art
19NovemberWorld Toilet Day
19NovemberWorld Philosophy Day
19NovemberInternational Men’s Day
20NovemberAfrica Industrialization Day
20NovemberWorld Children’s Day
20NovemberTransgender Day of Remembrance
21NovemberWorld Fisheries Day
21NovemberWorld Television Day
25NovemberInternational Day for the Elimination of Violence against Women
26NovemberWorld Olive Tree Day
29NovemberInternational Day of Solidarity with the Palestinian People
30NovemberDay of Remembrance for all Victims of Chemical Warfare


DateMonthInternational Day
1DecemberWorld AIDS Day
2DecemberInternational Day for the Abolition of Slavery
3DecemberInternational Day of Persons with Disabilities
4DecemberInternational Day of Banks
5DecemberInternational Volunteer Day for Economic and Social Development
5DecemberWorld Soil Day
7DecemberInternational Civil Aviation Day
9DecemberInternational Day of Commemoration and Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime
9DecemberInternational Anti-Corruption Day
10DecemberHuman Rights Day
10DecemberInternational Animal Rights Day
11DecemberInternational Mountain Day
12DecemberInternational Day of Neutrality
12DecemberInternational Universal Health Coverage Day
18DecemberInternational Migrants Day
18DecemberWorld Arabic Language Day
20DecemberInternational Human Solidarity Day
27DecemberInternational Day of Epidemic Preparedness

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