Tuesday
December 15, 2026
6 holidays and observances fall on this day.
Tea Day
Tea Day — the day has been observed since 2005, and in 2019, the United Nations designated May 21 as an additional International Tea Day.
Bill of Rights Day
Bill of Rights Day marks the ratification of the first ten amendments to the United States Constitution, known collectively as the Bill of Rights.
National Cat Herders Day
National Cat Herders Day is observed on December 15 to recognize the difficulty of managing chaotic tasks and uncooperative groups.
National Wear Your Pearls Day
National Wear Your Pearls Day is observed on December 15 to celebrate resilience and the beauty found in overcoming life's struggles.
National Lemon Cupcake Day
National Lemon Cupcake Day on December 15 celebrates the zesty, refreshing flavor of lemon baked into a classic single-serving treat.
Second Amendment Day
Second Amendment Day on December 15 commemorates the ratification of the Bill of Rights, protecting the right to keep and bear arms.
Coming up next
National Chocolate Covered Anything Day
National Chocolate Covered Anything Day is celebrated on December 16 to encourage dipping varied foods into melted chocolate.
Barbie And Barney Backlash Day
Barbie And Barney Backlash Day allows parents to take a break from commercialized children's characters on December 16.
Stupid Toy Day
Stupid Toy Day is observed on December 16 to celebrate the fun of simple, silly, and ridiculous toys.
Boston Tea Party Day
Boston Tea Party Day on December 16 honors the 1773 protest that sparked the American Revolution and the fight for independence.
Bahrain National Day
Bahrain National Day is celebrated on December 16 to commemorate the establishment of the modern state and the ascension of its first Emir.
Kazakhstan Independence Day
Kazakhstan Independence Day is celebrated on December 16 to mark the nation's declaration of sovereignty in 1991 and honor the 1986 protests.
International Day to End Violence Against Sex Workers
International Day to End Violence Against Sex Workers honors victims of violence and advocates for the safety and rights of sex workers.
Wright Brothers Day
Wright Brothers Day commemorates the first successful powered flight by Orville and Wilbur Wright, observed annually on December 17.