International observance days, weeks, and months for August 21, 2026. Plus historical events and birthdays.
August 21, 2026 celebrates Day Of Remembrance For Victims Of Terrorism. On August 21, International Day of Remembrance and Tribute to the Victims of Terrorism honors the lives changed forever by acts of terrorism.
Read the full story →People born on August 21
One of the greatest NBA players of all time. He is the only player to average 30 points and 20 rebounds per game in a season.
Co-founder of AOL.
Marine biologist and animator who created SpongeBob SquarePants.
Heiress who married rancher Marquis de Morès, who named the city of Medora, North Dakota after her.
Country music legend who had over 120 hit singles across multiple genres, selling over 100 million records.
Events that occurred on August 21 throughout history
Pueblo Indians capture Santa Fe from the Spanish during the Pueblo Revolt.
James Cook formally claims eastern Australia for Great Britain, naming it New South Wales.
Nat Turner leads black slaves and free blacks in a rebellion in Southampton County, Virginia. The uprising resulted in the deaths of 55 white people. Turner was captured and executed for causing the rebellion.
The American Bar Association is founded in Saratoga Springs, New York. The Association was created to set rules and set regulations for attorneys across the country.
An F5 tornado strikes Rochester, Minnesota, leading to the creation of the Mayo Clinic. The town lacked the ability to treat the injured and care for the dead, sparking the need for a permanent hospital to be built.