🔍︎
Dark Mode
National days, ongoing national weeks and months, and global observances for August 10, 2026. Plus historical events and birthdays.
These observances run for a full week; this calendar day falls inside the week.
These observances last the full month; this date is part of that month-long celebration.
Showing the first 12 on this date; there are more month-long observances. See the full months list for August.
International and other global observances on this date (may include days, weeks, or months).
Events that occurred on August 10 throughout history
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.
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.
President James Monroe signs the statehood proclamation admitting Missouri as the 24th state to join the Union.
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.
President James K. Polk signs the Smithsonian Act of Organization to establish The Smithsonian Institution.
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.
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.
Candid Camera makes its television debut after being on radio under The Candid Microphone.
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.
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.
Members of Charles Manson's cult kill Leno and Rosemary LaBianca a day after murdering actress Sharon Tate and four others.
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.
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.
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.
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.
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.
People born on August 10
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.
Inventor and founder of the Fender Musical Instruments Corporation.
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.
Ornithologist and explorer who was one of the first to study animals and birds across the Rocky Mountains.
Founded the Jimmy Dean Food Company. He was also the singer of the 1961 country crossover hit Big Bad John.
Scottish-English musician and lead vocalist of the British rock band Jethro Tull.
The 31st President of the U.S., serving from 1929 to 1933.
German-born Swiss confectioner and founder of Nestlé.
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.
American fashion designer known for her colorful, cute, and whimsical designs who ends her fashion shows with a cartwheel.
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.
Russian physicist who made groundbreaking contributions toward the founding of electrical engineering.
