2021 December

December 15: Facts & Historical Events On This Day

Facts & Historic Events That Happened on December 15

December 15th is International Tea Day and Cat Herders Day.

We made it to day 349 of the year and there’s only 16 days left of 2021, who’s already excited?

People who were born on this day share the Sagittarius zodiac sign.

This day has been an important day in history, and we’re going to explain why right here! Find out interesting facts and events that all fell on December 15 throughout history.

Did you know that on this day in 1973, the American Psychiatric Association declared that homosexuality was not a mental illness? This shift in public opinion was seen as a massive milestone for the LGBTQ community.

Keep reading for more interesting facts about December 15th in history!

What Happened On December 15 In History?


The longest ever United Nations climate talk ended.

Occurring in Madrid, this discussion of a response to global climate change extended two days longer than it was intended to. The talk ended with a compromise deal on curbing carbon only, and all other issues deferred for a year.
Source BBC

China successfully landed its moon rover.

Development for this rover started in 2002 and wasn't completed until 2010. The rover, Yutu, successfully landed on the moon on its first mission.

Former French President Jacques Chirac was convicted of diverting public funds and received a two-year suspended prison sentence.


Million Dollar Baby directed by Clint Eastwood, was released. It went on to win Best Picture.


The American Psychiatric Association officially declared that homosexuality is not a mental illness.


The red robin was officially named Britain’s National Bird.


Folsom Prison Blues was released by Johnny Cash.

It went on to win the Billboard Song of the Year.

Major Glenn Miller, musician and composer, disappeared over the English Channel during a flight.


Gone with the Wind, the drama film directed by Victor Fleming, premiered in Atlanta, Georgia.

OTD in 1939: Gone with the Wind
It won Best Picture and remains the highest-grossing film of all time.

The London Underground’s Great Northern, Piccadilly and Brompton Railway opened.

More commonly known as the Piccadilly tube, the line ran for 8.8 miles between Hammersmith and Finsbury Park.

Napoleon Bonaparte finally had a funeral.

OTD in 1840: Napoleon Bonaparte finally had a funeral.
Napoleon died in St Helena, a remote British-owned island where he had been exiled. Due to the political struggle between Britain and France, it took 19 years to relocate Napoleon's remains back to France to finally have a French state funeral.

The US Bill of Rights was ratified when Virginia gave its approval, which became amendments 1-10 of the constitution.

Did you know that on this day, December 15th 1973, the American Psychiatric Association declared that homosexuality was not a mental illness?