On This Day in History
September 20
Billie Jean King Defeats Bobby Riggs in 'Battle of the Sexes'
Billie Jean King defeated Bobby Riggs in a historic tennis match, symbolizing progress in gender equality in sports.
Southern Hemisphere's First Nuclear Reactor Goes Critical
Australia's HIFAR reactor became operational, marking the advancement of nuclear research in the Southern Hemisphere.
First Cannes Palme d'Or Awarded
The Cannes Film Festival awarded its first Palme d'Or, establishing a symbol of cinematic excellence.
First Cannes Film Festival Held
The inaugural Cannes Film Festival began, establishing one of the world's most prestigious film events.
First International Criminal Police Congress Held
The first congress that led to the formation of Interpol convened, promoting global police cooperation.
First Patent for the Ice Cream Cone Granted
Italo Marchiony received the first U.S. patent for the ice cream cone, revolutionizing dessert culture worldwide.
Theodore Roosevelt Becomes Youngest U.S. President
At age 42, Theodore Roosevelt became the youngest person to assume the U.S. presidency after the assassination of William McKinley.
First Commercial Trolleybus System Opens
The world's first commercial trolleybus system began operation in Germany, transforming urban transport.
First Patent for Punch Card Machine Filed
Herman Hollerith filed a patent for the punch card tabulating machine, a precursor to modern computing.
First Electric Tram Opens in Britain
Blackpool inaugurated the first electric tramway in Britain, marking a major advancement in public transportation.
James Garfield Dies, Chester A. Arthur Becomes U.S. President
After being shot, U.S. President James A. Garfield died, and Vice President Chester A. Arthur assumed the presidency.
First Electric Elevator Installed
Werner von Siemens installed the first electric elevator, transforming architecture and urban development.
First Public Zoo Opens in Australia
Melbourne Zoo, the first public zoo in Australia, opened, promoting wildlife conservation and education.
First Commercial Oil Well in Europe Drilled
The first commercial oil well in Europe began operation in Romania, marking the start of the European petroleum industry.
Battle of the Alma: First Battle of the Crimean War
Allied forces defeated Russia at the Battle of the Alma, marking the first major battle of the Crimean War.
First Use of a Stethoscope by René Laennec
René Laennec invented and used the stethoscope for the first time, revolutionizing medical diagnostics.
France Abolishes the Monarchy and Proclaims the First Republic
The French National Convention abolished the monarchy, declaring France a republic during the French Revolution.
First Commercial Bank Established in the United States
The Bank of North America, the first commercial bank in the U.S., was chartered, laying the foundation for modern banking.
First Use of Chlorine Gas in Industrial Production
Chlorine gas was first used in industrial applications, marking a significant development in chemical manufacturing.
Lisbon Ranks as Capital of Portugal
Lisbon was officially designated as the capital of Portugal, becoming a key center for global exploration.