5 National Days to Celebrate on August 10, 2026

August 10, 2026 celebrates National Lazy Day, plus 4 more.

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National S’mores Day

National S'mores Day on August 10 recognizes the most popular campfire treat! Millions of people of all ages love this gooey, toasted treat.

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Each year on August 10, Agent Orange Awareness Day presents opportunity to provide information regarding the effects of Agent Orange. It also serves as a reminder of the lasting damage a single decision can cause.

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National Connecticut Day

Woven into the fabric of this state's historic landscape, we find revolutionaries, innovators, and philosophers. On August 10th, National Connecticut Day recognizes the contributions of the fifth state to join the United States of America.

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Born on August 10

People born on August 10

1737

Anton Losenko

Russian painter and academic who specialized in historical subjects and portraits. Losenko is considered to be one of the founders of the Imperial Russian historical movement in painting.

1809

John Kirk Townsend

Ornithologist and explorer who was one of the first to study animals and birds across the Rocky Mountains.

1814

Henri Nestlé

German-born Swiss confectioner and founder of Nestlé.

1839

Aleksandr Stoletov

Russian physicist who made groundbreaking contributions toward the founding of electrical engineering.

1874

Herbert Hoover

The 31st President of the U.S., serving from 1929 to 1933.

1889

Charles Darrow

Game designer who is credited with creating Monopoly. Though the game was published by Parker Brothers in 1935, the game's true origins trace back to The Landlord's Game, which was created and patented by Elizabeth Magie in 1904.

1889

Zofia Kossak-Szczucka

Polish writer and member of the WW II Polish Resistance. She co-founded two wartime Polish organizations--Front for the Rebirth of Poland and Żegota. Both organizations were set up to assist Polish Jews to escape the Holocaust.

1909

Leo Fender

Inventor and founder of the Fender Musical Instruments Corporation.

1928

Jimmy Dean

Founded the Jimmy Dean Food Company. He was also the singer of the 1961 country crossover hit Big Bad John.

1933

Keith Duckworth

English engineer who founded Cosworth, the racing engine and development firm. He designed the Cosworth DFV V-8 Formula One engine, which revolutionized professional racing.

1942

Betsey Johnson

American fashion designer known for her colorful, cute, and whimsical designs who ends her fashion shows with a cartwheel.

1947

Ian Anderson

Scottish-English musician and lead vocalist of the British rock band Jethro Tull.

Historical Events on August 10

Events that occurred on August 10 throughout history

1585

Elizabeth I of England and the Dutch Rebels.

Elizabeth I of England and the Dutch Rebels sign The Treaty of Nonsuch. The Treaty guaranteed that England send 7,400 troops and financial subsidies to aid the Dutch Rebel's fight against Spanish rule.

August 10, 1585

1792

Louis XVI is arrested and taken into custody.

Louis XVI, the last king of France, is arrested and taken into custody as his Swiss Guards are massacred by the Parisian mob. The arrest ended the French monarchy.

August 10, 1792

1821

Missouri becomes the 24th state to join the Union.

President James Monroe signs the statehood proclamation admitting Missouri as the 24th state to join the Union.

August 10, 1821

1835

P. T. Barnum begins his career as a showman and circus entrepreneur.

P. T. Barnum begins his career as a showman and circus entrepreneur. His first "job" involved exhibiting Joice Heth, an octogenarian African slave whom he claimed was George Washington's nursemaid. It would be 36 years before he entered the circus business.

August 10, 1835

1846

The Smithsonian Institution is established by Congress.

President James K. Polk signs the Smithsonian Act of Organization to establish The Smithsonian Institution.

August 10, 1846

1944

The Battle of Guam in the Pacific comes to an end.

The Battle of Guam in the Pacific comes to an effective end. The U.S. declared the recaptured island secure after 21 days of bitter combat with Japan. The territory was returned to the U.S.

August 10, 1944

1945

The Japanese government accepts the terms of the Potsdam Declaration.

The Japanese government sends a message to the Allies accepting the terms of the Potsdam Declaration. The Potsdam Declaration called for the surrender of all Japanese armed forces during World War II.

August 10, 1945

1948

Candid Camera makes its television debut.

Candid Camera makes its television debut after being on radio under The Candid Microphone.

August 10, 1948

1949

An amendment to the National Security Act of 1947 enhances the authority of the U.S. Secretary of Defense.

An amendment to the National Security Act of 1947 enhances the authority of the United States Secretary of Defense over the Army, Navy and Air Force. The amendment also replaced the the National Military Establishment with the Department of Defense.

August 10, 1949

1961

The U.S. Army begins Operation Ranch Hand.

The U.S. Army begins Operation Ranch Hand. The Operation sprayed an estimated 20 million gallons of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.

August 10, 1961

1969

Members of Charles Manson's cult kill Leno and Rosemary LaBianca.

Members of Charles Manson's cult kill Leno and Rosemary LaBianca a day after murdering actress Sharon Tate and four others.

August 10, 1969

1971

The Society for American Baseball Research is founded.

The Society for American Baseball Research is founded in Cooperstown, New York. Sixteen individuals gathered to research and preserve the statistical record and history of baseball.

August 10, 1971

1977

The Son of Sam is arrested.

David Berkowitz, also known as the Son of Sam, is arrested for a series of killings in the New York City area over the period of one year. He confessed to a series of shootings that killed six people and wounded seven other people.

August 10, 1977

1981

John Walsh's son, Adam, is declared deceased.

John Walsh's son, Adam, is declared deceased after finding parts of his body in a canal near Vero Beach, Florida. Adam disappeared from a department store in Hollywood, Florida. His parents, John and Revé, helped establish the National Center for Missing & Exploited Children and passage of the Missing Children's Assistance Act.

August 10, 1981

1988

President Ronald Reagan signs the Civil Liberties Act of 1988.

President Ronald Reagan signs the Civil Liberties Act of 1988. The Act provided $20,000 payments to Japanese Americans who were either interned in or relocated by the U.S. during World War II.

August 10, 1988

1995

Timothy McVeigh and Terry Nichols are indicted for the bombing in Oklahoma City.

Timothy McVeigh and Terry Nichols are indicted for bombing of the Alfred P. Murrah Federal Building in Oklahoma City. Both were convicted of the crime of killing 168 people.

August 10, 1995