December 15: Facts & Historical Events On This Day

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

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 2023, who’s already excited?

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 Events Happened On December 15 In History?

2019 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.


2013 China successfully landed its moon rover.

OTD in 2013: 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.

2011 Former French President Jacques Chirac was convicted of diverting public funds and received a two-year suspended prison sentence.

2004 Million Dollar Baby, directed by Clint Eastwood, was released. It went on to win Best Picture.

1973 The American Psychiatric Association officially declared that homosexuality is not a mental illness.

1960 The red robin was officially named Britain’s National Bird.

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1955 Johnny Cash released “Folsom Prison Blues.”

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

1944 Major Glenn Miller, musician, and composer, disappeared over the English Channel during a flight.

1939 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.

1906 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.

1869 The Republic of Ezo, a separatist Japanese state, was established on the island of Ezo, Japan.

This was the first attempt by any Japanese government to establish a democratic government. It lasted five months before the Empire of Japan annexed its territories.

1840 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.

1836 The US Patents Office was nearly completely burned down.

All 9,957 patents and 7,000 patent models were lost in the blaze. It was initially suspected to have been an act of arson, but this was soon ruled out. The office shared a building with the post office, and careless disposal of ashes by the post office staff was deemed to be the source of the fire. After this, the US Patent Office changed its policies to require multiple copies of all patent documentation.

1791 The US Bill of Rights was ratified when Virginia gave its approval, which became amendments 1-10 of the constitution.

Famous People Born On December 15

If today’s your birthday, did you know that you share your special day with Adam Brody? Here are more famous people who were born on this day.

1992 Jesse Lingard

English Footballer

Jesse Lingard
30 years old
Born In:
England, UK

1982 Charlie Cox

English Actor

Charlie Cox
40 years old
Born In:
England, UK

1995 Perri Kiely

English Dancer

Perri Kiely
27 years old
Born In:
England, UK

1979 Adam Brody

American Actor

Adam Brody
43 years old
Born In:
California, USA

Famous People Who Died On This Day

1901 - 1966 Walt Disney

Walt Disney

Walt Disney was an American entrepreneur born on December 5, 1901. He died on this day in 1966, at age 65 in Burbank, California, USA.

Special Holidays On December 15

If you’re looking to try something new today, here are some special holidays that might just give you an idea.

December 15: International Tea Day

International Tea Day

There’s nothing quite like a nice cup of tea, so it’s about time we appreciate it to its fullest! There are so many unique ways tea can be made, but we just drink tea from a teabag more often than not. So why not try something different today, and brew something special instead?

December 15: National Cat Herders Day

National Cat Herders Day

Can you imagine how impossible it would be to actually herd cats? The chaos that would ensue is why we say that any kind of job or task that is an impossible uphill battle is like herding cats. Take a moment today to appreciate all the people out there whose jobs can be like this.

THe Fact Site's

Fun Fact Of The Day

The opposite of compulsive “hoarding” is compulsive “decluttering,” in which someone has an excessive desire to get rid of possessions in one’s home.

December 15 Birthday Facts, Zodiac & Birthstone

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

Independence is tantamount to Sagittarians’ happiness, and they will go out of their way to ensure they are always self-sufficient.

People born in December have the Blue Topaz birthstone. This gemstone offers prosperity and fortune to the wearer while also protecting them from harm.

People born on this day were likely conceived on or around March 24 in the same year.

A baby that is conceived on December 15th, 2023, will likely be due next year around September 7th.

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