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.
📍 Washington D.C., United States
John F. Kennedy and Richard Nixon participated in the first-ever televised U.S. presidential debate, transforming political campaigning.
📍 Chicago, Illinois, United States
Bell Labs demonstrated the first practical silicon solar cell, marking a breakthrough in renewable energy.
📍 New Jersey, United States
Engineers discovered a moth causing a malfunction in the Harvard Mark II, coining the term 'computer bug.'
📍 Harvard University, United States
Penicillin was successfully used to treat a patient, marking the beginning of the antibiotic era in medicine.
📍 Oxford, United Kingdom
Air raid sirens were used for the first time in London during World War II, signaling incoming attacks.
📍 London, United Kingdom
The U.S. government issued the first commercial radio license to station KDKA, launching modern broadcasting.
📍 Pittsburgh, Pennsylvania, United States
The Bolsheviks formed the Central Committee, paving the way for the October Revolution and the establishment of Soviet Russia.
📍 Petrograd, Russia
Otto Lilienthal achieved the first successful controlled glider flight in Germany, pioneering human aviation.
📍 Berlin, Germany
Eadweard Muybridge filmed *The Horse in Motion*, creating the first motion picture in the United States.
📍 Palo Alto, California, United States
The first weather map was published in *The Times* of London, introducing visual weather forecasting to the public.
📍 London, United Kingdom
Christopher Latham Sholes patented the first practical typewriter, transforming business and communication.
📍 Milwaukee, Wisconsin, United States
The first successful transatlantic telegraph cable was completed, revolutionizing communication between Europe and America.
📍 Valentia Island, Ireland
Baron Karl von Drais received a patent for his velocipede, an early form of the bicycle.
📍 Mannheim, Germany
The United States Congress passed the Bill of Rights, the first ten amendments to the Constitution, guaranteeing fundamental freedoms.
📍 Washington D.C., United States
Wolfgang Amadeus Mozart completed his Symphony No. 41, known as 'Jupiter', regarded as one of his greatest works.
📍 Vienna, Austria
Thomas Savery received the first patent for a steam-powered device, laying groundwork for the Industrial Revolution.
📍 London, United Kingdom
*Publick Occurrences Both Forreign and Domestick* was published in Boston, marking the birth of journalism in America.
📍 Boston, Massachusetts, United States
The first complete English translation of the Bible by Miles Coverdale was published, making religious texts accessible to English speakers.
📍 London, United Kingdom
The Battle of Stamford Bridge saw King Harold II defeat the Viking army, marking the decline of Viking influence in England.
📍 Stamford Bridge, England