Friday
September 15
28 holidays and observances fall on this day.
International Grenache Day
International Grenache Day is celebrating the Grenache/Garnacha grape with easy tastings, food pairings, and global wine appreciation.
International Dot Day
International Dot Day on September 15 celebrates creativity, courage, and collaboration inspired by Peter H. Reynolds' book The Dot. Join millions
International Day of Democracy
International Day of Democracy on September 15 promotes democratic principles worldwide. Learn its history, importance, and how to celebrate.
World Afro Day
World Afro Day on September 15 celebrates the beauty and diversity of Afro hair, fights discrimination, and promotes pride in Black identity and culture.
National Double Cheeseburger Day
National Double Cheeseburger Day is inviting everyone to enjoy—and share—the irresistible charm of a double cheeseburger.
National Online Learning Day
National Online Learning Day is observed on September 15 each year, celebrating the flexibility, access, and community of learning online.
National Pregnancy and Infant Loss Remembrance Day
National Pregnancy and Infant Loss Remembrance Day honors babies lost through miscarriage, stillbirth, or infant death, raises awareness of pregnancy and infant loss grief, and encourages remembrance, support, and healing.
National Voter Registration Day
National Voter Registration Day on September 15 encourages all eligible Americans to register to vote. Find out how to participate in this civic
National Google.com Day
National Google.com Day on September 15 celebrates the founding of Google. Learn about its history, importance, and how to celebrate this tech milestone.
National POW/MIA Recognition Day
National POW/MIA Recognition Day honors prisoners of war and those missing in action. Learn its history, importance, and how to observe this solemn day.
National Concussion Awareness Day
National Concussion Awareness Day raises awareness about concussions and traumatic brain injuries. Learn history, importance, and how to observe.
National Tradesmen Day
National Tradesmen Day honors skilled tradespeople who build and maintain America. Celebrate on the third Friday of September.
Make a Hat Day
Make a Hat Day is celebrated on September 15. Learn how to craft your own hat from simple materials and join a fun tradition that sparks creativity.
National Cheese Toast Day
National Cheese Toast Day on September 15 celebrates the simple joy of melted cheese on toast. Learn its history, importance, and fun ways to celebrate.
Greenpeace Day
Greenpeace Day on September 15 celebrates environmental activism and the work of Greenpeace. Learn about its history, importance, and how to take action.
Get Ready Day
Get Ready Day on September 15 encourages Americans to prepare for emergencies and natural disasters. Learn how to build a kit, make a plan, and stay safe.
National Custom Framing Day
National Custom Framing Day on September 15 celebrates the art of custom framing. Learn its history, significance, and creative ways to join the
National Africa Civility Day
National Africa Civility Day on September 15 celebrates African values of respect, tolerance, and understanding. Learn how to honor this day of peace and
National Linguine Day
National Linguine Day on September 15 celebrates the flat Italian pasta. Learn its history, importance, and fun ways to enjoy linguine.
Felt Hat Day
Celebrate Felt Hat Day on September 15 by wearing a stylish felt hat and honoring the craftsmanship of this timeless accessory. Discover its history.
National Creme de Menthe Day
Learn how to celebrate National Creme de Menthe Day on September 15 with cocktail recipes, dessert ideas, and fun ways to enjoy this minty liqueur.
National Tackle Kids Cancer Day
National Tackle Kids Cancer Day on September 15 raises awareness and funds for pediatric cancer research. Learn how to support children fighting cancer.
Butterscotch Cinnamon Pie Day
Butterscotch Cinnamon Pie Day on September 15 celebrates the delicious pairing of butterscotch and cinnamon in a unique pie. Learn its history and how to
Shout of Dolores
Shout of Dolores on September 15 marks the eve of Mexico's Independence Day, commemorating Miguel Hidalgo's cry for freedom in 1810.
Costa Rica Independence Day
Costa Rica Independence Day on September 15 commemorates independence from Spain. Celebrations include parades, torch run, and traditional food.
Honduras Independence Day
Honduras Independence Day on September 15 marks the nation's 1821 independence from Spain with parades, flag displays, and cultural celebrations.
Guatemala Independence Day
Guatemala Independence Day on September 15 celebrates freedom from Spanish rule with parades, cultural events, and national pride across the country.
El Salvador Independence Day
El Salvador Independence Day on September 15 marks freedom from Spain. Learn about its history, importance, and how to celebrate this patriotic holiday.
Coming up next
International Red Panda Day
International Red Panda Day is encouraging fun, practical ways to learn about and support red panda conservation worldwide.
International Coastal Cleanup Day
International Coastal Cleanup Day mobilizes millions to remove trash from beaches and waterways, protecting ocean health and wildlife.
International Day for the Preservation of the Ozone Layer
Learn about the International Day for the Preservation of the Ozone Layer on September 16. Discover its history, importance, and how to celebrate
International Eat An Apple Day
International Eat An Apple Day, on the third Saturday of September, encourages everyone to enjoy apples and celebrate their health benefits with simple
European Heritage Days
European Heritage Days celebrate Europe's rich cultural heritage every September. Discover historic sites, traditions, and hidden treasures across the
Usher Syndrome Awareness Day
Usher Syndrome Awareness Day on the third Saturday of September raises awareness for this rare genetic condition causing deafblindness. Learn how to
National Guacamole Day
National Guacamole Day is honoring the Aztec-born avocado dip with easy, shareable ways to enjoy it at home or with friends.
Working Parents Day
Working Parents Day is celebrating the dedication of parents who balance work and family and encouraging simple, practical ways to support them.
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