October 21: Facts & Historical Events On This Day

Did you know that on this day, October 21, 2001, the United We Stand concert took place?

October 21st is the day we officially celebrate Count Your Buttons Day and Reptile Awareness Day.

We are now on day 294 out of 365, and only have 71 days left of the year.

This day in years gone by was a very important one in many areas including areas like technology, economy, space and so much more.

Did you know that on this day in 2001, the United We Stand concert took place? The show was held in memory of victims of the September 11th Attacks and was led by Michael Jackson.

Keep reading for more interesting facts about October 21st in history!

What Events Happened On October 21 In History?

2021 Alec Baldwin accidentally used a live firearm during a movie rehearsal, during which he shot and killed a cinematographer.

2019 Major Australian newspapers blacked out their front pages in protest against press restrictions on printing whistleblower stories.

OTD in 2019: Major Australian newspapers blacked out their front pages in protest against press restrictions on printing whistleblower stories.

2019 The oldest natural pearl discovered off the Abu Dhabi coast was estimated to be 8,000 years old.


2012 Native American Kateri Tekakwitha became the first native to become a saint.

Tekakwitha was canonized by Pope Benedict XVI.

2001 The benefit concert “United We Stand” led by Michael Jackson took place to stand up against terrorism.

Many top artists performed, including Mariah Carey, Al Green, Rod Stewart, Bette Midler, Goo Goo Dolls, Backstreet Boys, Usher, Pink, NSYNC, and more.

1990 Apple Day started in Covent Garden, London.

The annual event is a huge celebration of apples with cooking demos, games, juice and cider, and the hundreds of apple varieties on sale.

1971 The National Oceanic and Atmospheric Administration’s ITOS-B weather satellite launched atop a Delta rocket.

The satellite was designed to take photos of the Earth's cloud cover using television and infrared cameras to improve weather forecasting. Almost one hour after lifting off from the Vandenberg Air Force Base in California, the satellite returned to Earth's atmosphere after failing to reach orbit. The cause was a malfunction in the Delta rocket's second stage.

1966 The catastrophic Tragedy of Aberfan occurred in South Wales, killing many who were in a local school, mostly children.

OTD in 1966: The catastrophic Tragedy of Aberfan occurred in South Wales

A coal waste pile-up created by the National Coal Board overflowed at the top of the village of Aberfan. The overflow flooded a junior school and surrounding buildings, killing 116 children and 28 adults.

1964 The American musical comedy “My Fair Lady,” starring Audrey Hepburn, was released in the US.

1915 The first radio message to go across the Atlantic Ocean was sent from Virginia to Paris.


1803 English chemist John Dalton read his first atomic theory paper to the Manchester Literary and Philosophical society.

Dalton's paper was "On the Absorption of Gases by Water and other Liquids," and it contained Dalton's Law. It's also known as Dalton's law of partial pressures. It is used to prove that the total pressure from a mixture of non-reacting gases is the same as the partial pressures of the individual gases in the mixture, which means that the mixture doesn't increase exerted pressure.

1789 Following the women’s march on Versailles, The National Assembly declared martial law in France to prevent future uprisings.

1520 Portuguese explorer Ferdinand Magellan arrived at Cape Virgenes, becoming the first European to sail the Pacific Ocean.

OTD in 1520: Portuguese explorer Ferdinand Magellan arrived at Cape Virgenes

1209 Otto IV was crowned Emperor of the Holy Roman Empire by Pope Innocent III.

Famous Quotes Said On October 21

Memorable quotes are being said or written every day. Here we have the most notable quote ever said on this day.


“Mental fight means thinking against the current, not with it.”

– Virginia Woolf


“One must look into hell before one has any right to speak of heaven.”

– Bertrand Russell


“Life is bristling with thorns, and I know no other remedy than to cultivate one’s garden.”

– Voltaire

Famous People Born On October 21

Is today your birthday? If so, you share the same birthday with Carrie Fisher. Here are a few other famous people born on this day.

1980 Kim Kardashian

American Socialite

Kim Kardashian
42 years old
Born In:
California, USA

1995 Doja Cat

American Rapper

Doja Cat
27 years old
Born In:
California, USA

1956 Carrie Fisher

American Actress

Carrie Fisher
Died On:
Dec 27, 2016 (Age 60)
Born In:
California, USA

1988 Glen Powell

American Actor

Glen Powell
34 years old
Born In:
Texas, USA

Special Holidays On October 21

Are you looking for something to do today? Well, here’s a few special days that might just give you some ideas.

October 21: Count Your Buttons Day

Count Your Buttons Day

While this holiday is certainly whimsical, it also celebrates one of fashion’s most convenient inventions. As you go about your day today counting your buttons, reflect on just how handy they are! If you still have some time to spare, why not read up on the history of buttons?

October 21: National Reptile Awareness Day

National Reptile Awareness Day

It’s time to raise awareness for one of the more alien-like animals on this planet - reptiles. So, head to your local zoo today and learn more about these cold-blooded creatures. They can actually be pretty fascinating if you give them a chance!

THe Fact Site's

Fun Fact Of The Day

From base to top, Mauna Kea is almost 2,000 meters taller than Everest but isn’t considered higher because Mauna Kea starts below sea level.

October 21 Birthday Facts, Zodiac & Birthstone

If you were born on October 21, your star sign is Libra.

Libras are great listeners, meaning they often pick up on gossip. However, take care when spilling secrets to Libras, as they can be known as gossip queens!

Those of you that were born in October have the Pink Tourmaline birthstone. Tourmaline comes in nearly every shade you could imagine, making it a popular stone in recent years.

For people born on Oct 21, your estimated date of conception falls on January 28 in the same year.

A baby conceived on October 21, 2023, will likely be due next year around July 14.

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