Feb
March 2025
Apr
On This Day 5 mins Read

March 21: Facts & Historical Events On This Day

Did you know that on this day, March 21, 1963, Alcatraz prison in San Francisco Bay closed its gates for good?

Fact Checked Human Written Verified Sources Regularly Updated

March 21st is also known as Memory Day and Common Courtesy Day.

We’re now on the 80th day of the year, and have 285 days left in 2025.

This day in history has a dark side with thousands being executed due to discrimination, but it was also a great day for animals, literature and online social media.

Did you know that on this day, March 21, 1963, Alcatraz prison in San Francisco Bay closed its gates for good? The prison had operated for over 29 years.

Keep reading for more fun & interesting facts about March 21st in history!

Historical Events

What memorable events happened on March 21 in history? Keep reading to find out!

Reddit was listed for the first time on the New York Stock Exchange.

While the social media platform was listed at a share price of $34, by the end of its first day of trading it had increased by 48% to $47.

Game of Thrones star Emilia Clarke shared her experience of fighting for her life after suffering two brain aneurysms during filming.

OTD in 2019: Game of Thrones star Emilia Clarke shared her experience of fighting for her life after suffering two brain aneurysms during filming.

A woman in Bangladesh gave birth to twins one month after giving birth previously.

It turned out that the mother had two uteruses.

Aaron Carpenter swam with dolphins for the first time.

He tweeted saying, "I just rode a dolphin!!!!"

Europe’s Planck spacecraft found evidence that our universe is 13.8 billion years old.

The world’s largest postage stamp was released.

OTD in 2013: The world's largest postage stamp was released.

The Mother of Emirates postage stamp entered the Guinness World Records after measuring 1.36 x 1.77 meters.

The first-ever Tweet was published on Twitter.

Jack Dorsey, the founder of Twitter, wrote the first tweet. His first message was posted at 09:50 on this day and said, "just setting up my twttr."

After seventy-five years of South African rule, Namibia finally gained its independence.

Central Park designated a section of its grounds as “Strawberry Fields” to commemorate John Lennon, who was shot dead in his nearby residence.

OTD in 1984: Central Park designated a section of its grounds as "Strawberry Fields" to commemorate John Lennon

The inaugural San Diego Comic-Con comic book convention took place.

The convention's name at its founding was the Golden State Comic Book Convention. The three-day event took place in the basement of the US Grant Hotel and was attended by 300 people.

Alcatraz prison in San Francisco Bay closed its gates for good.

The choice came after 20 years of concerns about the costs to keep the prison running and how prisoners were treated.

Glen Bell opened the very first Taco Bell restaurant, in Downey, California.

English Novelist George Eliot completed her famous book called “The Mill on the Floss.”

The First Zoological Society in the US was formed in Philadelphia.

Between 100 and 3000 Jews were killed in riots in The Erfurt Massacre in the town of Erfurt, Germany.

OTD in 1349: Between 100 and 3000 Jews were killed in riots in The Erfurt Massacre in the town of Erfurt

Jews were often blamed for Europe's Black Death, and many Jews set fire to their own homes, opting to die in the flames rather than being lynched by mobs.

Famous Births

Are you celebrating your birthday today? If so, did you know that you share the same birthday as Sonequa Martin-Green? See what other famous people were born on this day.

2000

Jace Norman

American Actor

Age

25 years old

Born IN

New Mexico, USA

1997

TINI

Argentine Singer

Age

28 years old

Born IN

Buenos Aires, Argentina

1980

Ronaldinho

Brazilian Soccer Player

Age

45 years old

Born IN

Rio Grande do Sul, Brazil

1958

Gary Oldman

English Actor

Age

67 years old

Born IN

England, UK

1986

Scott Eastwood

American Actor

Age

39 years old

Born IN

California, USA

1985

Sonequa Martin-Green

American Actress

Age

40 years old

Born IN

Alabama, USA

Birthday & Zodiac

For those of you who were born on this day, your zodiac sign is Aries.

Aries like to be on the move and travel at a faster pace than most other people. This can sometimes make it difficult for most people to keep up.

All those born in the month of March have the Aquamarine birthstone. The aquamarine crystal is believed to bring peace, tranquility, and harmony while keeping one’s mind clear.

March’s primary birth flower, the daffodil, symbolizes rebirth and new beginnings, reflecting the rejuvenating spirit of those born this month. The secondary birth flower, the jonquil, represents desire and affection.

People born on this day were likely conceived on or around June 28th in the previous year.

The due date for babies conceived on March 21st, 2025, is around December 12th, 2025.

Famous Deaths

Unfortunately, March 21st has also been a day where we've had to say some goodbyes over the years…

1949 — 2025

George Foreman

American Boxer George Foreman was born on January 10, 1949. He died on this day in 2025, at age 76 in Texas, USA.

Special Holidays

If you've got a few minutes spare today, why not celebrate these special holidays.

United States

Memory Day

We were going to introduce you to today’s memorable holiday, but we can’t remember what it even is. Ah yes, that’s right, today is Memory Day! Why not celebrate by watching Finding Dory or playing memory games?

United States

National Common Courtesy Day

Without common courtesy, it’s safe to say that civilization would come crashing down. Maybe that’s a bit extreme, but that doesn’t mean it’s not important! Today, make it your goal to be kinder to your neighbors and hold doors for the people behind you.

Fact Of The Day

Days Until

Your countdown to 2025's upcoming special days!

  • April Fool's Day

    11 days

  • Earth Day

    32 days

  • Cinco de Mayo

    45 days

  • Halloween

    224 days

  • Christmas Day

    279 days

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About The Author

Luke Ward
Owner

Luke Ward is the owner of FactstoryHub. He has over 14 years of experience in researching, informative writing, fact-checking, SEO & web design. In his spare time, he loves to explore the world, drink coffee & attend trivia nights.

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