UK story
Battle of Taillebourg: Louis IX of France puts an end to the revolt of his vassals Henry III of England and Hugh X of Lusignan.
139 things happened on 21 July, from AD 230 to 2024. UK stories come first, then the rest of the world.
UK history first: stories from England, Scotland, Wales and Northern Ireland.
UK story
Battle of Taillebourg: Louis IX of France puts an end to the revolt of his vassals Henry III of England and Hugh X of Lusignan.
UK story
Battle of Shrewsbury: King Henry IV of England defeats rebels to the north of the county town of Shropshire, England.
UK story
The first landing of French troops on the coast of the Isle of Wight during the French invasion of the Isle of Wight.
UK story
Signing of the treaty of Constantinople between Britain, France, Russia and the Ottoman Empire, which outlines the borders of the new kingdom of Greece.
UK story
Malcolm Campbell becomes the first man to exceed 150 mph (241 km/h) on land. At Pendine Sands in Wales, he drives Sunbeam 350HP built by Sunbeam at a two-way average speed of 150.33 mph (242 km/h).
Pope Pontian began his pontificate, succeeding Urban I.
Diocletian appoints Maximian as Caesar and co-ruler.
A large earthquake occurred near Crete, triggering a tsunami, and causing widespread destruction around the eastern Mediterranean region.
Unrepresented labourers revolted and violently took over the government of the Republic of Florence (depicted), demanding that they be granted political office.
Eighty Years' War: in the Battle of Jemmingen, Fernando Álvarez de Toledo, Duke of Alva defeats Louis of Nassau.
Qing dynasty regent Dorgon issues an edict ordering all Han Chinese men to shave their forehead and braid the rest of their hair into a queue identical to those of the Manchus.
A Dutch assault on the French island of Martinique is repulsed against all odds.
The Treaty of Passarowitz between the Ottoman Empire, Austria and the Republic of Venice is signed.
Russo-Turkish War (1768–74): Russia and the Ottoman Empire sign the Treaty of Küçük Kaynarca ending the war. It is the first time that an Ottoman ruler surrendered territory largely populated by Muslims and the first time that a separation of secular and spiritual authority in the Ottoman Empire was established.
French campaign in Egypt and Syria: Napoleon's forces defeat an Ottoman-Mamluk army near Cairo in the Battle of the Pyramids.
Inauguration of Leopold I of Belgium, first king of the Belgians.
American Civil War: First Battle of Bull Run: At Manassas Junction, Virginia, the first major battle of the war begins and ends in a victory for the Confederate army.
Louis Rigolly, a Frenchman, becomes the first man to break the 100 mph (161 km/h) barrier on land. He drove a 15-liter Gobron-Brillié in Ostend, Belgium.
American high-school biology teacher John T. Scopes was found guilty of violating Tennessee's Butler Act which forbade teaching evolution in class.
Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia is constituted, establishing an anarcho-syndicalist economy in Catalonia.
World War II: Battle of Guam: American troops land on Guam, starting a battle that will end on August 10.
The United States Senate ratifies the North Atlantic Treaty.
First Indochina War: The Geneva Conference partitions Vietnam into North Vietnam and South Vietnam.
The inaugural International Mathematical Olympiad, the leading mathematical competition for pre-university students, began in Romania.
NS Savannah, the first nuclear-powered cargo-passenger ship, is launched as a showcase for Dwight D. Eisenhower's "Atoms for Peace" initiative.
Elijah Jerry "Pumpsie" Green becomes the first African-American to play for the Boston Red Sox, the last team to integrate. He came in as a pinch runner for Vic Wertz and stayed in as shortstop in a 2–1 loss to the Chicago White Sox.
Sirimavo Bandaranaike (pictured) was sworn in as prime minister of Ceylon, becoming the world's first democratically elected female head of government.
Mercury program: Mercury-Redstone 4 mission: Gus Grissom piloting Liberty Bell 7 becomes the second American to go into space (in a suborbital mission).
Apollo program: At 02:56 UTC, astronaut Neil Armstrong becomes the first person to walk on the Moon, followed 19 minutes later by Edwin "Buzz" Aldrin.
After 11 years of construction, the Aswan High Dam in Egypt is completed.
Jay Silverheels, a Mohawk actor, becomes the first Native American to have a star commemorated in the Hollywood Walk of Fame.
The world's lowest temperature in an inhabited location is recorded at Vostok Station, Antarctica at −89.2 °C (−128.6 °F).
Third Taiwan Strait Crisis: The People's Liberation Army begins firing missiles into the waters north of Taiwan.
Harry Potter and the Deathly Hallows, the final book in the popular Harry Potter series by J. K. Rowling, was released and sold 15 million copies in its first 24 hours, making it the fastest-selling book in history.
Ram Baran Yadav is declared the first President of Nepal.
U.S. President Barack Obama signs the Dodd–Frank Wall Street Reform and Consumer Protection Act.
NASA's Space Shuttle program ends with the landing of Space Shuttle Atlantis on mission STS-135 at NASA's Kennedy Space Center.
Erden Eruç completes the first solo human-powered circumnavigation of the world.
The Barbenheimer phenomenon begins as two major motion pictures, Greta Gerwig's fantasy comedy Barbie and Christopher Nolan's epic biographical thriller Oppenheimer, are released in theaters on the same day and audiences, instead of creating a rivalry between the extremely dissimilar films, instead attend and praise both as an informal, surreal double feature.
U.S. President Joe Biden announces he will no longer seek a second term and withdraws from the 2024 election, endorsing Vice President Kamala Harris as she launches her own presidential campaign.
Every answer is somewhere on this page. Have a go, then check!
In which year did this happen: “Malcolm Campbell becomes the first man to exceed 150 mph (241 km/h) on land”?
A: 1925. 1925 — that’s 101 years ago. Find it on the page
In which year did this happen: “Battle of Shrewsbury: King Henry IV of England defeats rebels to the north of”?
A: 1403. 1403 — that’s 623 years ago. Find it on the page
Which of these happened first?
B: Battle of Taillebourg: Louis IX of France puts an end to the revolt of his. 1925: Malcolm Campbell becomes the first man to exceed 150 mph (241 km/h) on land · 1242: Battle of Taillebourg: Louis IX of France puts an end to the revolt of his · 1403: Battle of Shrewsbury: King Henry IV of England defeats rebels to the north of Find it on the page
“Battle of Taillebourg: Louis IX of France puts an end to the revolt of his” happened in 1242. How many years ago was that?
A: 784 years. 2026 − 1242 = 784. Find it on the page
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Content note: these entries mention things like war, violence, deaths, disasters or crime. They are part of history, but they can be upsetting. Grown-ups and teachers: you may want to read them first. They come straight from Wikipedia and have not been rewritten for children.
Stories with a heading have been written for young readers by A Day in the Past, using the linked articles as sources. Other entries show text from Wikipedia’s “July 21” page and its “On this day” feed, written by Wikipedia contributors and shared under the Creative Commons Attribution-ShareAlike 4.0 licence. Each “Read more” link goes to the article an entry is based on. Photos are credited under each picture. Spotted a mistake? Please tell us.