December 11 is the 345th day in the Gregorian calendar. On this day, Indiana became the 19th state in the U.S., co-founder of Alcoholics Anonymous Bill Wilson took his final drink, and Apollo 17 become the final Apollo mission to land on the Moon. Famous birthdays include John Kerry, Hailee Steinfeld, and Osho. December 11 also marks International Mountain Day.
We have 11 holidays listed for December 11.
International Mountain Day
Mountains are some of the most interesting geological features that our world has to offer.
Anniversary of the Statute of Westminster
Join us learning about a momentous — yet largely unnoticed — moment in Canada’s independence route.
Burkina Faso Republic Day
Honor the triumphant independence and sovereignty of the Burkinabe people on Burkina Faso Republic Day.
Holiday Food Drive for the Needy Animals Day
Help raise awareness of animal welfare and become part of the solution.
International Shareware Day
Fire up that Qwerty and join us in exploring the broad range of shareware available.
National App Day
Take a selfie for the ’Gram, tweet your thoughts, or play your favorite music.
National Caesar Day
Give Caesar what belongs to Caesar! You can start by appreciating all the Caesars you know.
Noodle Ring Day
Get creative, ready your forks, and fire up that carb craving: today is Noodle Ring Day.
We remember UNICEF's global impact and how we can make a difference ourselves.