🔬 Science & Technology
International Week of Science and Peace
Nov 9–15
The International Week of Science and Peace falls in the week of November 11 each year. Learn its 1986 roots, the 1988…
National Days in Worldwide
International days observed around the world, including United Nations observances and global celebrations.
107 days, starting with the next one coming up.
💞 People & Relationships
World Kindness Day
Nov 13
World Kindness Day on November 13 encourages small acts of kindness that make a big difference. Learn its origins and easy ideas…
💚 Health & Wellness
World AMR Awareness Week
Nov 18–24
World AMR Awareness Week is November 18–24 each year. See why WHO started it, how CDC's antibiotics week fits in and simple…
💞 People & Relationships
International Men’s Day
Nov 19
International Men's Day on November 19 highlights men's and boys' health, positive role models and gender equality. Learn its history and how…
🤝 Awareness & Causes
World Children’s Day
Nov 20
World Children's Day on November 20 celebrates children's rights and well-being worldwide. Learn its UN history and how families and schools can…
🔬 Science & Technology
Computer Security Day
Nov 30
Computer Security Day on November 30 is a reminder to protect your devices and data. Learn its 1988 origins and quick security…
💚 Health & Wellness
World AIDS Day
Dec 1
World AIDS Day on December 1 unites people worldwide to support those living with HIV and remember those lost. Learn its history…
🤝 Awareness & Causes
International Day of Persons with Disabilities
Dec 3
The International Day of Persons with Disabilities on December 3 promotes the rights, inclusion and contributions of disabled people worldwide.
🤝 Awareness & Causes
International Volunteer Day
Dec 5
International Volunteer Day on December 5 honors volunteers worldwide. Learn its UN history, why volunteering matters and easy ways to give your…
🌿 Nature & Environment
World Soil Day
Dec 5
World Soil Day on December 5 highlights the importance of healthy soil for food, water and climate. Learn its history and how…
🎉 Holidays & Traditions
St. Nicholas Day
Dec 6
St. Nicholas Day on December 6 honors the generous 4th-century bishop who inspired Santa Claus. Learn the legends and traditions around the…
🔬 Science & Technology
International Civil Aviation Day
Dec 7
International Civil Aviation Day on December 7 marks the 1944 Chicago Convention. Learn how ICAO keeps global air travel safe and connected.
🎉 Holidays & Traditions
Feast of the Immaculate Conception
Dec 8
The Feast of the Immaculate Conception on December 8 is a Catholic holy day honoring Mary. Learn what it means, its history…
🎉 Holidays & Traditions
Bodhi Day
Dec 8
Bodhi Day on December 8 commemorates the Buddha's enlightenment under the Bodhi tree. Learn its meaning, history and how Buddhists observe it.
🤝 Awareness & Causes
Human Rights Day
Dec 10
Human Rights Day on December 10 marks the 1948 adoption of the Universal Declaration of Human Rights. Learn its history and how…
📜 Education & History
Nobel Prize Day
Dec 10
Nobel Prize Day on December 10 is when Nobel laureates receive their awards. Learn about Alfred Nobel, the prize categories and famous…
🌿 Nature & Environment
International Mountain Day
Dec 11
International Mountain Day on December 11 highlights why mountains matter for water, climate, biodiversity and the people who live there.
🤝 Awareness & Causes
UNICEF Day
Dec 11
UNICEF Day on December 11 marks the founding of the UN children's agency in 1946. Learn UNICEF's history, its work today and…
🎉 Holidays & Traditions
Feast of Our Lady of Guadalupe
Dec 12
The Feast of Our Lady of Guadalupe on December 12 honors Mexico's patroness. Learn the story of Juan Diego, the tilma and…
🎉 Holidays & Traditions
St. Lucia Day
Dec 13
St. Lucia Day on December 13 is a Scandinavian festival of light. Learn about Saint Lucy, candle crowns, saffron buns and how…
🍕 Food & Drink
International Tea Day
Dec 15
International Tea Day on December 15 celebrates tea and the workers who grow it. Learn tea history, types of tea and why…
🎉 Holidays & Traditions
Las Posadas (begins)
Dec 16
Las Posadas begins December 16 and lasts nine nights. Learn the meaning of this Mexican Christmas tradition, its songs, foods and piñatas.
📜 Education & History
Saturnalia
Dec 17
Saturnalia, which began December 17 in ancient Rome, was a festival of feasting, gifts and role reversals. Learn its history and its…
🤝 Awareness & Causes
International Migrants Day
Dec 18
International Migrants Day on December 18 recognizes the contributions and rights of migrants worldwide. Learn its history and key facts about migration.
📜 Education & History
Arabic Language Day
Dec 18
Arabic Language Day on December 18 celebrates one of the world's most widely spoken languages. Learn its history, script and words English…
🤝 Awareness & Causes
International Human Solidarity Day
Dec 20
International Human Solidarity Day on December 20 celebrates unity and cooperation to fight poverty. Learn its UN history and ways to show…
🌿 Nature & Environment
Winter Solstice
Dec 21
The winter solstice, around December 21, is the shortest day and longest night of the year in the Northern Hemisphere. Learn the…
🎉 Holidays & Traditions
Yule
Dec 21
Yule is a midwinter festival held around the winter solstice. Learn its Germanic roots, the Yule log and how Yule traditions live…
🎲 Hobbies & Games
World Basketball Day
Dec 21
World Basketball Day on December 21 marks the first basketball game in 1891. Learn how James Naismith invented the sport and why…
🎉 Holidays & Traditions
Christmas Eve
Dec 24
Christmas Eve on December 24 is full of traditions, from candlelight services and the Feast of the Seven Fishes to tracking Santa.…
🎉 Holidays & Traditions
Christmas Day
Dec 25
Christmas Day on December 25 is celebrated by billions worldwide. Learn how the date, the tree, Santa and gift-giving traditions came to…
🎉 Holidays & Traditions
Boxing Day
Dec 26
Boxing Day on December 26 is a public holiday in the U.K., Canada and Australia. Learn why it's called Boxing Day, its…
🎉 Holidays & Traditions
St. Stephen’s Day
Dec 26
St. Stephen's Day on December 26 honors the first Christian martyr. Learn its history, Ireland's Wren Day traditions and how it's celebrated…
💚 Health & Wellness
International Day of Epidemic Preparedness
Dec 27
The International Day of Epidemic Preparedness on December 27 highlights the need to prepare for disease outbreaks. Learn its history and simple…
🎉 Holidays & Traditions
Holy Innocents’ Day
Dec 28
Holy Innocents' Day on December 28 remembers the children of Bethlehem in the Gospel of Matthew. Learn its history and Spain's Día…
🎉 Holidays & Traditions
New Year’s Eve
Dec 31
New Year's Eve on December 31 is the world's biggest countdown. Learn the history of the Times Square ball drop and global…
🎉 Holidays & Traditions
Hogmanay
Dec 31
Hogmanay on December 31 is Scotland's New Year's Eve celebration. Learn its history, first-footing, 'Auld Lang Syne' and how to celebrate.
🎉 Holidays & Traditions
New Year’s Day
Jan 1
New Year's Day on January 1 is a fresh start celebrated around the world. Learn why the year begins in January and…
🎨 Arts & Entertainment
Public Domain Day
Jan 1
Public Domain Day on January 1 marks when copyrights expire and creative works become free for everyone to use. Learn how it…
💞 People & Relationships
Global Family Day
Jan 1
Global Family Day on January 1 promotes peace and togetherness among families and nations. Learn its origins and simple ways to celebrate…
💞 People & Relationships
World Introvert Day
Jan 2
World Introvert Day on January 2 celebrates people who recharge with quiet time. Learn its origins, what introversion means and how to…
🤝 Awareness & Causes
World Braille Day
Jan 4
World Braille Day on January 4 honors Louis Braille and raises awareness of braille for people who are blind. Learn its history…
🎉 Holidays & Traditions
Twelfth Night
Jan 5
Twelfth Night on January 5 marks the end of the Twelve Days of Christmas. Learn its history, Twelfth cake, wassailing and when…
🎉 Holidays & Traditions
Three Kings Day
Jan 6
Three Kings Day on January 6 celebrates the Magi's visit to baby Jesus. Learn its traditions, from rosca de reyes to children…
🎉 Holidays & Traditions
Orthodox Christmas
Jan 7
Orthodox Christmas falls on January 7 for churches that follow the Julian calendar. Learn why the date differs and how Orthodox Christians…
🔬 Science & Technology
Earth’s Rotation Day
Jan 8
Earth's Rotation Day on January 8 marks Léon Foucault's 1851 pendulum experiment. Learn how it proved Earth spins and how fast our…
🎉 Holidays & Traditions
Makar Sankranti
Jan 14
Makar Sankranti, usually on January 14, is a Hindu harvest festival marking the sun's move into Capricorn. Learn its meaning, kites and…
🎉 Holidays & Traditions
Pongal
Jan 15
Pongal is a four-day Tamil harvest festival in mid-January. Learn the meaning of Pongal, its four days, the sweet pongal dish and…
🔬 Science & Technology
Wikipedia Day
Jan 15
Wikipedia Day on January 15 marks the launch of the free online encyclopedia in 2001. Learn its history, how it works and…
🍕 Food & Drink
International Hot and Spicy Food Day
Jan 16
International Hot and Spicy Food Day on January 16 celebrates heat. Learn about the Scoville scale, capsaicin and how to cool your…
🎉 Holidays & Traditions
Week of Prayer for Christian Unity
Jan 18–25
The Week of Prayer for Christian Unity runs January 18–25 each year. See its 1908 origin, why it spans two feasts and…
🐾 Animals & Pets
Penguin Awareness Day
Jan 20
Penguin Awareness Day on January 20 celebrates penguins and the threats they face. Learn penguin facts, where they live and how to…
📜 Education & History
International Day of Education
Jan 24
The International Day of Education on January 24 celebrates education's role in peace and development. Learn its history and how to support…
🎉 Holidays & Traditions
Burns Night
Jan 25
Burns Night on January 25 celebrates Scottish poet Robert Burns with a supper of haggis, poetry and whisky. Learn its history and…
💼 Work & Careers
International Customs Day
Jan 26
International Customs Day on January 26 honors customs officers who protect borders and facilitate trade. Learn its history and the World Customs…
🎉 Holidays & Traditions
Australia Day
Jan 26
Australia Day on January 26 is Australia's national day. Learn its history, how Australians celebrate and why many call it Invasion Day…
📜 Education & History
International Holocaust Remembrance Day
Jan 27
International Holocaust Remembrance Day on January 27 honors the victims of the Holocaust. Learn its history, why the date was chosen and…
🔬 Science & Technology
Data Privacy Day
Jan 28
Data Privacy Day on January 28 encourages everyone to protect personal information online. Learn its history and simple privacy checks to do…
🎉 Holidays & Traditions
World Interfaith Harmony Week
Feb 1–7
World Interfaith Harmony Week is February 1–7 each year. See how Jordan's proposal became a UN observance in 2010 and ideas for…
🎉 Holidays & Traditions
Valentine’s Day
Feb 14
Valentine's Day is February 14. Learn the real history behind the day, from St. Valentine to Chaucer and Esther Howland, plus ideas…
🐾 Animals & Pets
International Polar Bear Day
Feb 27
International Polar Bear Day is February 27. Learn why it's timed to denning season, how many polar bears remain and what you…
🎈 Fun & Quirky
Leap Day
Feb 29
Leap Day is February 29. Learn why the calendar needs it, how the 1582 rule works, the odds of a leap-day birthday…
🔬 Science & Technology
Brain Awareness Week
Mar 15–21
Brain Awareness Week comes each March. Learn who started it in 1996, how it grew to 82 countries and simple ways to…
🤝 Awareness & Causes
International Women’s Day
Mar 8
International Women's Day is March 8. Learn how it began in 1909, why March 8 was chosen and how people in the…
🔬 Science & Technology
Pi Day
Mar 14
Pi Day is March 14 (3/14). Learn how it started at San Francisco's Exploratorium, how many digits of pi NASA uses and…
📜 Education & History
Ides of March
Mar 15
The Ides of March is March 15. Learn what the Ides were, how Julius Caesar was assassinated that day in 44 BCE…
🎉 Holidays & Traditions
St. Patrick’s Day
Mar 17
St. Patrick's Day is March 17. Learn who St. Patrick was, where America's first parade really happened and the story behind corned…
🎈 Fun & Quirky
April Fools’ Day
Apr 1
April Fools' Day is April 1. Learn what historians know about its origin, traditions like the noon rule, famous hoaxes and harmless…
🌿 Nature & Environment
Earth Day
Apr 22
Earth Day is April 22. Learn how the first Earth Day in 1970 drew 20 million Americans, why April 22 was picked…
💚 Health & Wellness
World Immunization Week
Apr 24–30
World Immunization Week is April 24–30 each year. Learn WHO's theme, what the latest coverage data show and how to check your…
🎨 Arts & Entertainment
International Dance Day
Apr 29
International Dance Day is April 29. Learn how it began in 1982, who Jean-Georges Noverre was and easy ways to celebrate dance.
🎉 Holidays & Traditions
May Day
May 1
May Day is May 1. Learn how spring festivals and the fight for the eight-hour workday gave the date two meanings, plus…
🎨 Arts & Entertainment
Star Wars Day
May 4
Star Wars Day is May 4. Learn where the "May the Fourth" pun came from, how fans made it a holiday and…
📜 Education & History
Victory in Europe Day
May 8
Victory in Europe Day is May 8, marking the end of World War II in Europe in 1945. Learn the history and…
🎨 Arts & Entertainment
International Museum Day
May 18
International Museum Day is May 18. Learn how it began in 1977 and the many ways to celebrate museums near you or…
🌿 Nature & Environment
World Bee Day
May 20
World Bee Day is May 20. Learn how it began, why bees matter to our food supply and simple ways to help…
🐾 Animals & Pets
World Turtle Day
May 23
World Turtle Day is May 23. Learn how the day began, the threats turtles face and simple ways to help them.
🌿 Nature & Environment
World Environment Day
Jun 5
World Environment Day is June 5. Learn how it began in 1972, who leads it and simple ways to take part where…
📜 Education & History
D-Day Anniversary
Jun 6
The D-Day anniversary is June 6, marking the 1944 Allied landings in Normandy. Learn the history and respectful ways to remember those…
🌿 Nature & Environment
World Oceans Day
Jun 8
World Oceans Day is June 8. Learn its history, why the ocean matters to every person on Earth and practical ways to…
🤝 Awareness & Causes
World Refugee Day
Jun 20
World Refugee Day is June 20. Learn the UN history behind the day, the 1951 Refugee Convention, the latest displacement figures and…
💚 Health & Wellness
International Day of Yoga
Jun 21
International Day of Yoga is June 21. Learn its UN history, the 2026 theme, what research says about yoga's benefits and how…
🔬 Science & Technology
Social Media Day
Jun 30
Social Media Day is June 30. Learn how Mashable started it in 2010, the latest Pew data on platform use and ideas…
🌿 Nature & Environment
National Moth Week
Jul 17–25
National Moth Week fills nine summer nights each July. See how a New Jersey group started it in 2012, why moths matter…
🎈 Fun & Quirky
World UFO Day
Jul 2
World UFO Day is July 2. Learn the Roswell story, what official reports found and simple ways to join in by watching…
🍕 Food & Drink
World Chocolate Day
Jul 7
World Chocolate Day is July 7. Learn what's known about the day's origin, chocolate's 5,000-year history and where the world's cocoa comes…
🐾 Animals & Pets
World Snake Day
Jul 16
World Snake Day is July 16. Learn surprising snake facts, how snakes help control disease and the right first aid for a…
🔬 Science & Technology
World Emoji Day
Jul 17
World Emoji Day is July 17. Learn who started it, how emoji began on Japanese phones in 1999 and how many emoji…
💚 Health & Wellness
World Breastfeeding Week
Aug 1–7
World Breastfeeding Week is August 1–7 each year. See how it grew from a 1990 declaration, where rates stand today and practical…
🐾 Animals & Pets
International Cat Day
Aug 8
International Cat Day is August 8. Learn the day's IFAW origins, the 9,500-year-old Cyprus cat burial and what AVMA data shows about…
🐾 Animals & Pets
World Elephant Day
Aug 12
World Elephant Day is August 12. Learn the day's Thai and filmmaker origins, the 2021 IUCN listings and the threats facing Asian…
💞 People & Relationships
International Left-Handers Day
Aug 13
International Left-Handers Day is August 13. Learn its two origin stories, the 10.6% figure from a study of 2.4 million people and…
🤝 Awareness & Causes
International Week of Deaf People
Sep 20–26
International Week of Deaf People fills the last full week of September. See how the World Federation of the Deaf began it…
📜 Education & History
International Literacy Day
Sep 8
International Literacy Day on September 8 highlights the importance of reading and writing for everyone. Learn its history and how to support…
🎈 Fun & Quirky
International Talk Like a Pirate Day
Sep 19
International Talk Like a Pirate Day on September 19 invites everyone to say 'Ahoy, matey!' Learn how the day began and the…
🤝 Awareness & Causes
International Day of Peace
Sep 21
International Day of Peace on September 21 promotes peace and nonviolence worldwide. Learn its history, the UN Peace Bell and ways to…
🔬 Science & Technology
International Podcast Day
Sep 30
International Podcast Day on September 30 celebrates podcasts and the creators behind them. Learn podcast history and tips for starting your own.
💚 Health & Wellness
World Vegetarian Day
Oct 1
World Vegetarian Day on October 1 celebrates meat-free eating and kicks off Vegetarian Awareness Month. Learn its history and easy vegetarian ideas.
🔬 Science & Technology
World Space Week
Oct 4–10
World Space Week is October 4–10 each year. See how Sputnik and the Outer Space Treaty set its dates and how to…
📜 Education & History
World Teachers’ Day
Oct 5
World Teachers' Day on October 5 honors teachers and their vital role in education. Learn its history and meaningful ways to thank…
💚 Health & Wellness
World Mental Health Day
Oct 10
World Mental Health Day on October 10 raises awareness of mental health and reduces stigma. Learn its history and ways to support…
🤝 Awareness & Causes
International Day of the Girl
Oct 11
International Day of the Girl on October 11 highlights girls' rights and the challenges they face. Learn its history and how to…
💚 Health & Wellness
Global Handwashing Day
Oct 15
Global Handwashing Day on October 15 promotes handwashing with soap to prevent illness. Learn its history and the right way to wash…
🐾 Animals & Pets
International Sloth Day
Oct 20
International Sloth Day on October 20 celebrates the slow-moving mammals of Central and South America. Learn sloth facts and how to protect…
📜 Education & History
United Nations Day
Oct 24
United Nations Day on October 24 marks the founding of the UN in 1945. Learn the UN's history, its purpose and how…
🎨 Arts & Entertainment
International Artist Day
Oct 25
International Artist Day on October 25 honors artists and their contributions to culture. Learn its history and ways to support artists.
🎉 Holidays & Traditions
Halloween
Oct 31
Halloween on October 31 is a night of costumes, trick-or-treating and spooky fun. Learn its history, from Samhain to modern celebrations.