List Of Important World International Days (2021 Updated)

Important World International Days

Last Updated: 22 October 2021

The list of World International Days is designated specific dates by various organizations like the United Nations, that are celebrated every year as an occasion to mark a particular event or topic.

This is done in order to promote or make people aware of a certain event and promote topics that are not discussed publicly.

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
11JanuaryNational Milk 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

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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
26MarchIndependence Day of Bangladesh


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
17AprilEaster Sunday
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

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DateMonthInternational Day
1MayLabour Day
1MayLaw 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
14JuneFlag 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

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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
1AugustNational Mountain Climbing Day
1AugustYorkshire Day
1AugustInternational Mahjong Day
1AugustInternational Friendship Day
1AugustWorld Wide Web Day
1AugustRespect For Parents Day
1AugustWorld Lung Cancer Day
1AugustNational Minority Donor Awareness Day
1-7AugustWorld Breastfeeding Week
2AugustNational Coloring Book Day
3AugustNiger Independence Day
3AugustNational Watermelon Day
4AugustCoast Guard Day
5AugustNational Oyster Day
6AugustHiroshima Day
6AugustInternational Beer Day
7AugustNational Handloom Day
7AugustProfessional Speakers Day
8AugustQuit India Movement Day
8AugustInternational Infinity Day
8AugustInternational Cat Day
9AugustNagasaki Day
9AugustInternational Day of the World’s Indigenous Peoples
9AugustInternational Coworking Day
10AugustWorld Lion Day
11AugustNational Son and Daughter Day
11AugustNational Ingersoll Day
12AugustInternational Youth Day
12AugustWorld Elephant Day
13AugustInternational Lefthanders Day
13AugustWorld Organ Donation Day
14AugustPakistan Independence Day
14AugustWorld Lizard Day
15AugustIndian Independence Day
15AugustAssumption of Mary
15AugustNational Liberation Day of Korea
15AugustVictory Over Japan Day
16AugustBennington Battle Day
17AugustIndonesian Independence Day
18AugustNever Give Up Day
19AugustWorld Humanitarian Day
19AugustWorld Photography Day
19AugustInternational Orangutan Day
19AugustInternational Bow Day
20AugustWorld Mosquito Day
20AugustIndian Akshay Urja Diwas
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
22AugustRaksha Bandhan
23AugustInternational Day for the Remembrance of the Slave Trade and Its Abolition
23AugustBlack Ribbon Day
24AugustInternational Strange Music Day
25AugustNational Whiskey Sour Day
26AugustWomen’s Equality Day
26AugustInternational Dog Day
27AugustNational Pots du Creme Day
28AugustNational Bow Tie Day
29AugustInternational Day against Nuclear Tests
29AugustNational Sports Day (India)
30AugustSmall Industry Day
30AugustInternational Day of the Victims of Enforced Disappearances
30AugustInternational Whale Shark Day
30AugustKrishna Janmashtami
31AugustMalaysia National Day
31AugustInternational Day for People of African Descent
31AugustInternational Overdose Awareness Day

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DateMonthInternational Day
1-7SeptemberNational Nutrition Week
2SeptemberWorld Coconut Day
3SeptemberNational Skyscraper Day
4SeptemberWorld Beard Day
5SeptemberInternational Day of Charity
5SeptemberTeachers’ Day (India)
7SeptemberBrazilian Independence Day
7SeptemberInternational Day of Clean Air for Blue Skies
8SeptemberInternational Literacy Day
8SeptemberWorld Physical Therapy Day
9SeptemberInternational Day to Protect Education from Attack
10SeptemberWorld Suicide Prevention Day
10SeptemberGanesh Chaturthi
11SeptemberNational Forest Martyrs Day
11SeptemberWorld First Aid Day
12SeptemberUnited Nations Day for South-South Cooperation
14SeptemberHindi Day
15SeptemberInternational Day of Democracy
15SeptemberEngineer’s Day
15SeptemberSanchayika Day
15SeptemberWorld Lymphoma Awareness Day
16SeptemberInternational Day for the Preservation of the Ozone Layer
16SeptemberMalaysia Day
17SeptemberWorld Patient Safety Day
18SeptemberInternational Equal Pay Day
18SeptemberWorld Bamboo Day
18SeptemberInternational Red Panda Day
19SeptemberInternational Talk Like a Pirate Day
19SeptemberAnant Chaturthi
20SeptemberInternational Day of University Sport
21SeptemberInternational Day of Peace
21SeptemberWorld Alzheimer’s Day
21SeptemberBiosphere Day
22SeptemberWorld Rhino Day
22SeptemberWorld Rose Day
22SeptemberCar-Free Days
23SeptemberInternational Day of Sign Languages
24SeptemberWorld Maritime Day
25SeptemberWorld Pharmacists Day
25SeptemberAntyodaya Diwas
25SeptemberNational Daughters Day
26SeptemberInternational Day for the Total Elimination of Nuclear Weapons
26SeptemberEuropean Day of Languages
26SeptemberWorld Contraception Day
26SeptemberWorld Environmental Health Day
26SeptemberCouncil of Scientific and Industrial Research Day
27SeptemberWorld Tourism Day
28SeptemberWorld Rabies Day
28SeptemberInternational Day for Universal Access to Information
28SeptemberGunners Day
28SeptemberInternational Poke Day
29SeptemberWorld Heart Day
29SeptemberInternational Day of Awareness of Food Loss and Waste
30SeptemberWorld Maritime Day
30SeptemberInternational Podcast Day
30SeptemberInternational Translation Day
30SeptemberInternational Blasphemy Rights Day


DateMonthInternational Day
1OctoberWorld Smile Day
1OctoberWorld Postcard Day
1OctoberInternational Day of Older Persons
1OctoberInternational Coffee Day
1OctoberWorld Vegetarian Day
2OctoberInternational Day of Non-Violence
2OctoberGandhi Jayanti
2OctoberWorld Day for Farmed Animals
3OctoberGerman Unity Day
4OctoberWorld Animal Day
4OctoberWorld Habitat Day
4OctoberWorld Space Week
4OctoberWorld Architecture Day
5OctoberWorld Teachers’ Day
5OctoberGanga River Dolphin Day
6OctoberGerman-American Day
7OctoberWorld Cotton Day
8OctoberIndian Air Force Day
8OctoberWorld Egg Day
9OctoberWorld Post Day
9OctoberWorld Migratory Bird Day
9OctoberIndian Foreign Service Day
10OctoberWorld Mental Health Day
10OctoberWorld Migratory Bird Day
10OctoberWorld Day Against the Death Penalty
11OctoberInternational Day of the Girl Child
12OctoberWorld Arthritis day
13OctoberInternational Day for Disaster Risk Reduction
14OctoberWorld Sight Day
14OctoberWorld Standards Day
15OctoberInternational Day of Rural Women
15OctoberPregnancy and Infant Loss Remembrance Day
15OctoberGlobal Handwashing Day
15OctoberWhite Cane Safety Day
15OctoberWorld Students’ Day
16OctoberWorld Food Day
16OctoberWorld Anaesthesia Day
16OctoberBoss’s Day
16OctoberWorld Spine Day
17OctoberInternational Day for the Eradication of Poverty
20OctoberWorld Statistics Day
20OctoberWorld Osteoporosis Day
20OctoberInternational Day of the Air Traffic Controller
20OctoberNational Solidarity Day
20OctoberInternational Chefs Day
21OctoberPolice Commemoration Day
22OctoberInternational Stuttering Awareness Day
23OctoberMole Day
23OctoberInternational Snow Leopard Day
24OctoberUnited Nations Day
24OctoberWorld Development Information Day
24OctoberWorld Polio Day
24OctoberRaising Day of Indo-Tibetan Border Police
25OctoberWorld Mother-in-Law’s Day
27OctoberWorld Day for Audiovisual Heritage
27OctoberInfantry Day
28OctoberInternational Animation Day
29OctoberInternational Internet Day
30OctoberWorld Thrift Day
30OctoberWorld Savings Day
31OctoberWorld Cities Day


DateMonthInternational Day
1NovemberWorld Vegan Day
1NovemberAll Saints’ Day
2NovemberInternational Day to End Impunity for Crimes against Journalists
2NovemberNational Deviled Egg Day
2NovemberNational Ayurveda day
2NovemberAll Souls Day
2NovemberElection Day (United States)
3NovemberSandwich Day
4NovemberNational Candy Day
5NovemberWorld Tsunami Awareness Day
5NovemberWorld Day of Romani Language
5NovemberNational Doughnut Day
6NovemberInternational Day for Preventing the Exploitation of the Environment in War and Armed Conflict
6NovemberNational Nachos Day
7NovemberInfant Protection Day
7NovemberNational Cancer Awareness Day
7NovemberHug a Bear Day
7NovemberInternational Day of Medical Physics
8NovemberWorld Radiography Day
8NovemberCook Something Bold and Pungent Day
9NovemberLegal Services Day
9NovemberNational Louisiana Day
9NovemberWorld Adoption Day
9NovemberWorld Freedom Day
9NovemberIqbal Day
10NovemberWorld Science Day for Peace and Development
10NovemberWorld Immunization Day
10NovemberNational Forget-Me-Not Day
11NovemberVeterans Day
11NovemberRemembrance Day
11NovemberSingles’ Day (China)
11NovemberWorld Quality Day
11NovemberNational Education Day
12NovemberInternational Tempranillo Day
12NovemberWorld Pneumonia Day
12NovemberNational Happy Hour Day
12NovemberPublic Service Broadcasting Day
13NovemberWorld Kindness Day
14NovemberWorld Diabetes Day
14NovemberInternational Day against Illicit Trafficking in Cultural Property
14NovemberChildren’s Day
14NovemberNational Young Readers Day
14NovemberNational Pickle Day
15NovemberWorld Day of Remembrance for Road Traffic Victims
15NovemberNational Clean Out Your Fridge Day
16NovemberInternational Day for Tolerance
16NovemberNational Button Day
17NovemberInternational Students Day
17NovemberNational Journalism Day
17NovemberHomemade Bread Day
17NovemberNational Epilepsy Day
17NovemberInternational Happy Gose Day
17NovemberWorld Prematurity Day
18NovemberGuinness World Records Day
18NovemberInternational Day of Islamic Art
18NovemberWorld Adult Day
18NovemberNational Vichyssoise Day
18NovemberWorld Philosophy Day
18NovemberNational Naturopathy Day
18NovemberWorld Chronic Obstructive Pulmonary Disease Day
19NovemberWorld Toilet Day
19NovemberWorld Philosophy Day
19NovemberInternational Men’s Day
19NovemberNational Play Monopoly Day
19NovemberWomen’s Entrepreneurship Day
19NovemberNational Integration Day
19NovemberWorld Day for Prevention of Child Abuse
20NovemberAfrica Industrialization Day
20NovemberWorld Children’s Day
20NovemberTransgender Day of Remembrance
20NovemberNational Beautiful Day
21NovemberWorld Fisheries Day
21NovemberWorld Television Day
21NovemberNational Stuffing Day
21NovemberNational Red Mitten Day
21NovemberWorld Hello Day
21NovemberWorld Day of Remembrance for Road Traffic Victims
22NovemberGo For A Ride Day
23NovemberFibonacci Day
24NovemberCelebrate Your Unique Talent Day
25NovemberInternational Day for the Elimination of Violence against Women
25NovemberNational Day of Mourning
25NovemberNational Parfait Day
26NovemberWorld Olive Tree Day
26NovemberBlack Friday
26NovemberIndian Constitution Day
27NovemberSmall Business Saturday
27NovemberIndian Organ Donation Day
29NovemberInternational Day of Solidarity with the Palestinian People
29NovemberNational Lemon Cream Pie Day
29NovemberCyber Monday
30NovemberDay of Remembrance for all Victims of Chemical Warfare
30NovemberSt. Andrew’s Day
30NovemberBonifacio Day

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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
31DecemberNational Unity Day
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