On This Day in History
September 25
Sandra Day O'Connor Sworn in as First Female U.S. Supreme Court Justice
Sandra Day O'Connor was sworn in as the first female justice of the U.S. Supreme Court, marking a historic moment for gender equality.
First Televised Presidential Debate Held in U.S.
John F. Kennedy and Richard Nixon participated in the first-ever televised U.S. presidential debate, transforming political campaigning.
First Modern Solar Cell Demonstrated
Bell Labs demonstrated the first practical silicon solar cell, marking a breakthrough in renewable energy.
First Use of the Term 'Computer Bug'
Engineers discovered a moth causing a malfunction in the Harvard Mark II, coining the term 'computer bug.'
First Use of Penicillin Successfully Treated a Patient
Penicillin was successfully used to treat a patient, marking the beginning of the antibiotic era in medicine.
First Use of Air Raid Sirens in World War II
Air raid sirens were used for the first time in London during World War II, signaling incoming attacks.
First Commercial Radio Station Licensed
The U.S. government issued the first commercial radio license to station KDKA, launching modern broadcasting.
Central Committee of the Communist Party Forms in Russia
The Bolsheviks formed the Central Committee, paving the way for the October Revolution and the establishment of Soviet Russia.
First Powered Flight in Germany by Otto Lilienthal
Otto Lilienthal achieved the first successful controlled glider flight in Germany, pioneering human aviation.
First Motion Picture Filmed in America
Eadweard Muybridge filmed *The Horse in Motion*, creating the first motion picture in the United States.
First Use of Weather Map in Newspaper
The first weather map was published in *The Times* of London, introducing visual weather forecasting to the public.
First Practical Typewriter Patented
Christopher Latham Sholes patented the first practical typewriter, transforming business and communication.
First Transatlantic Telegraph Cable Completed
The first successful transatlantic telegraph cable was completed, revolutionizing communication between Europe and America.
First Patent for Bicycle Granted
Baron Karl von Drais received a patent for his velocipede, an early form of the bicycle.
Bill of Rights Passed by U.S. Congress
The United States Congress passed the Bill of Rights, the first ten amendments to the Constitution, guaranteeing fundamental freedoms.
Mozart Completes Symphony No. 41 'Jupiter'
Wolfgang Amadeus Mozart completed his Symphony No. 41, known as 'Jupiter', regarded as one of his greatest works.
First Patent Granted for the Steam Engine
Thomas Savery received the first patent for a steam-powered device, laying groundwork for the Industrial Revolution.
First Newspaper Published in the American Colonies
*Publick Occurrences Both Forreign and Domestick* was published in Boston, marking the birth of journalism in America.
First Complete Translation of the Bible into English Published
The first complete English translation of the Bible by Miles Coverdale was published, making religious texts accessible to English speakers.
Battle of Stamford Bridge Ends Viking Age in England
The Battle of Stamford Bridge saw King Harold II defeat the Viking army, marking the decline of Viking influence in England.