December 11th Holidays

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 9 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.


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.


National Jon Day

Where did Jon come from? What does it mean? Find out this National Jon Day.


Noodle Ring Day

Get creative, ready your forks, and fire up that carb craving: today is Noodle Ring Day.


UNICEF Birthday

We remember UNICEF's global impact and how we can make a difference ourselves.