July 21st is known as Lamington Day and Junk Food Day.
US President Joe Biden withdrew from his re-election campaign and endorsed Kamala Harris as his preferred successor.
Greta Gerwig's Barbie and Christopher Nolan's Oppenheimer opened in cinemas.
The world's fastest train, a maglev bullet train with speeds of 373 mph (600 km/h), debuted in China.
Marvel's superhero movie 'Guardians of the Galaxy' premiered in Hollywood, Los Angeles, US.
NASA's space shuttle program finally came to a close when mission STS-135 landed.
J.K. Rowling's final book in the series 'Harry Potter and the Deathly Hallows' book was published worldwide.
Former British prime minister Tony Blair won the leadership election for the British Labour Party.
Pink Floyd performed their hit 'The Wall' at the previous Berlin Wall location.
The Soviet Vostok Station in Antarctica recorded the world's lowest temperature in an inhabited location.
The Provisional IRA detonated twenty-two bombs in Belfast, Northern Ireland.
The comedy movie 'The Quiet Man' was released in the UK.
American forces landed on Guam during WWII, which started the Second Battle of Guam.
The first-ever western shootdown happened in Market Square, Springfield, Missouri, US.
The Battle of Bull Run took place at Manassas Junction, Virginia.
New York City allocated hundreds of acres of land in Manhattan for Central Park.
The estimated magnitude 8.0 earthquake caused the island of Crete to rise 30 feet (9 meters) above sea level.
The Temple of Artemis, one of the Seven Wonders of the World, was set on fire by Herostratus.