Jul
August 2025
Sep
On This Day 4 mins Read

August 20: Facts & Historical Events On This Day

Did you know that on this day, August 20, 2015, over 30 military students were injured in a mass pillow fight?

Fact Checked Human Written Verified Sources Regularly Updated

August 20th observes International Day of Medical Transporters and Chocolate Pecan Pie Day.

We’ve reached the 232nd day of the year. There are 133 days remaining in 2025.

This day in history rocked the music world and the world in general. Find out all you need to know about the historical events that happened on this day, August 20.

Did you know that on this day, August 20, 2015, over 30 military students were injured in a mass pillow fight? This lead to a ban of the event in future years. The event at West Point left 24 students with concussions.

Keep reading for more fun & interesting facts about August 20th in history!

Historical Events

What memorable events happened on August 20 in history? Keep reading to find out!

NASA announced they would send a ship to Jupiter’s moon, Europa, to look for extraterrestrial life.

OTD in 2019: NASA announced they would send a ship to Jupiter's moon

The craft, named Europa Clipper, should be ready by 2023 and launch by 2025.

The World Health Organization (WHO) announced that measles cases were at an all-time record high, with 41,000 in the first half of the year alone.

A suicide bomber killed 57 people while injuring 66 in Gaziantep, Turkey.

The terrorist had targeted a Kurdish wedding that took place on this day.

More than 30 military students were injured in a mass pillow fight leading to a ban of the event in future years.

OTD in 2015: More than 30 military students were injured in a mass pillow fight leading to a ban of the event in future years.

England was defeated by South Africa, who became top of the world Test cricket rank.

Mother Teresa contracted malaria and spent one week in hospital in New Delhi, India.

Estonia claimed its independence from USSR.

OTD in 1991: Estonia claimed its independence from USSR.

Two days later, Iceland became the first country to formally recognize Estonia's independence.

The Iran-Iraq war ended in a stalemate after nearly eight years of conflict.

The war began on September 22, 1980, when Iraq started a full-scale invasion of Iran. Iran's government had been overthrown, and Iraq feared similar movements would happen at home if Iran wasn't dealt with by force. Despite the major powers backing Iraq, it couldn't gain any Iranian territory.

NASA launched the Viking 1 planetary probe toward Mars.

The Viking 1 was the first successful Mars lander in history.

Exiled Soviet leader Leon Trotsky was assassinated with an ice axe in Mexico City.

The “LZ 127 Graf Zeppelin” returned to Lakehurst, New Jersey, after being the first airship to circumference the earth in one journey.

The airship left the USA and headed eastward, taking 12 days to circumnavigate the globe. There were three planned stops for refueling, but other than that, it was a non-stop attempt at a circumnavigation.

French pilot Adolphe Pegoud became the first person in Europe to jump from an aircraft using a parachute and land successfully.

The Erickson Brothers submitted the application for the first dial telephone patent.

OTD in 1896: The Erickson Brothers submitted the application for the first dial telephone patent.

The patent (Number 597,062) was granted on January 11, 1898.

President Andrew Johnson declared that the American civil war was over.

Famous Births

Is today your birthday? If so, you share this special day with Demi Lovato! Check out more famous people born on this day below.

1992

Demi Lovato

American Singer

Age

33 years old

Born IN

New Mexico, USA

1983

Andrew Garfield

English Actor

Age

42 years old

Born IN

California, USA

1981

Ben Barnes

English Actor

Age

44 years old

Born IN

England, UK

1974

Amy Adams

American Actress

Age

51 years old

Born IN

Veneto, Italy

1890

H. P. Lovecraft

American Writer

Died On

Mar 15, 1937 (Age 46)

Born IN

Rhode Island, USA

Birthday & Zodiac

Those of you who were born on August 20th share the Leo zodiac sign.

Leo is the fifth zodiac sign ruled by the sun. The constellation for Leo represents the Nemean lion. In Greek mythology, the Nemean lion devastated the area of Nemea until Heracles eventually defeated the creature.

Peridot is the birthstone given to those who were born during August. The largest peridot stone discovered was found on Zagbargad Island, Egypt. It weighs an incredible 311.8 carats and is now located at the Smithsonian Museum in Washington, D.C.

If you were born on August 20th, your estimated date of conception would be November 27th in the previous year.

The due date for babies conceived on this day is around May 13th, 2026.

Special Holidays

If you're looking for something to do today, maybe these special holidays might just help to cure your boredom!

United States

International Day of Medical Transporters

Doctors and nurses get all the praise, and while they certainly deserve it, ambulance drivers and other medical transporters deserve a lot of thanks too! If you know a medical transporter, buy them lunch or a coffee; otherwise, read up on this critically important role!

United States

National Chocolate Pecan Pie Day

If you thought pecan pie was tasty, get ready to have your mind blown today as it’s National Chocolate Pecan Pie Day! If you can’t find any at a bakery or cafe, you might just have to try and bake it yourself, as the rich nutty, chocolatey results are truly out of this world!

Fact Of The Day

Days Until

Your countdown to 2025's upcoming special days!

  • Halloween

    72 days

  • Christmas Day

    127 days

  • New Year's Day

    134 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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