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This Day in History

December 9

"The day a demo changed computing forever."

11 Events
5 Born
3 Died
1968 The Mother of All Demos
1608

John Milton

English Poet & Author

One of the greatest poets in the English language, Milton wrote Paradise Lost (1667), the twelve-book epic retelling of the Fall of Man that shaped English literature and theology for centuries. A fierce defender of civil liberties, he also wrote Areopagitica, the most famous early argument for freedom of the press.

1906

Grace Hopper

Computer Scientist & U.S. Navy Admiral

A pioneer of computer programming, Hopper designed the first compiler — software that translates human-readable code into machine instructions — and led the team that created COBOL, a business programming language still running trillions of dollars of transactions daily. She popularized the term "debugging" after her team found a moth lodged in a relay.

1916

Kirk Douglas

American Actor & Film Producer

One of Hollywood's last great Golden Age stars, Douglas gave iconic performances in Spartacus (1960) and Paths of Glory (1957). He is credited with helping to break the Hollywood blacklist by openly hiring blacklisted screenwriter Dalton Trumbo.

1934

Judi Dench

English Actress

One of Britain's most celebrated stage and screen performers, Dench won the Academy Award for Best Supporting Actress for her eight-minute performance in Shakespeare in Love (1998). She played M in seven James Bond films and earned widespread acclaim for her stage work with the Royal Shakespeare Company.

1868

Fritz Haber

German Chemist & Nobel Laureate

Haber invented the Haber–Bosch process for synthesizing ammonia from nitrogen and hydrogen, enabling the mass production of artificial fertilizers that feed roughly half of humanity today. His legacy is deeply divided: the same chemical genius was directed toward developing poison gas weapons in World War I.

536

Belisarius Enters Rome

Byzantine general Belisarius enters Rome unopposed during the Gothic War after the Ostrogothic garrison abandons the city, restoring imperial control over the ancient capital.

1531

Virgin of Guadalupe Apparition

The Virgin Mary reportedly appears to Juan Diego at Tepeyac hill near Mexico City, an event that would become the founding miracle of the Basilica of Our Lady of Guadalupe, the most-visited Catholic shrine in the world.

1775

Battle of Great Bridge

Patriot militia defeat British troops and Loyalists at the Battle of Great Bridge in Virginia, effectively ending British royal authority over the colony.

1824

Battle of Ayacucho Ends the Peruvian War of Independence

Patriot forces under Antonio José de Sucre decisively defeat the last Royalist army in the Americas at Ayacucho, Peru, completing South American independence from Spain.

1835

Texians Capture San Antonio

Texian forces capture San Antonio following the Siege of Béxar, driving Mexican troops under General Cos out of Texas during the opening months of the Texas Revolution.

1868

World's First Traffic Lights Installed

The first traffic lights — gas-lit semaphore arms — are installed outside the Palace of Westminster in London, designed to protect Members of Parliament crossing the street.

1905

France Separates Church and State

France passes the 1905 law on the separation of the Churches and the State, establishing laïcité and ending the Napoleonic Concordat that had governed relations between the French Republic and the Catholic Church for a century.

1917

Allenby Captures Jerusalem

British Field Marshal Edmund Allenby accepts the Ottoman surrender of Jerusalem, ending four centuries of Turkish rule over the holy city and making headlines around the world during World War I.

1960

Coronation Street Premieres

The first episode of Coronation Street airs on ITV in the United Kingdom, launching what would become the world's longest-running television soap opera, still in production today.

1979

Smallpox Declared Eradicated

A global commission certifies the complete eradication of smallpox, making it the first — and still only — human infectious disease to be driven to extinction, the culmination of a decade-long WHO vaccination campaign.

1987

First Intifada Begins

The First Palestinian Intifada erupts in the Gaza Strip and West Bank, beginning a sustained uprising against Israeli military occupation that would reshape Middle Eastern politics for years.

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1641

Anthony van Dyck

Flemish Baroque Painter

The leading court painter of his era, Van Dyck served as principal painter to King Charles I of England, creating the definitive visual image of Stuart royalty. His portrait style — elegant, elongated figures with shimmering fabrics — defined aristocratic portraiture for two centuries.

1971

Ralph Bunche

American Diplomat & Nobel Peace Prize Laureate

The first African American to win the Nobel Peace Prize, Bunche was awarded the prize in 1950 for mediating the 1949 Arab-Israeli armistice agreements. He served as a senior United Nations official for over two decades, helping to establish UN peacekeeping operations.

1996

Mary Leakey

British Archaeologist & Paleoanthropologist

Mary Leakey made some of the most important fossil discoveries in human history, including the 3.6-million-year-old Laetoli footprints — the earliest evidence of bipedal walking — and the skull of Australopithecus boisei. Working alongside her husband Louis Leakey in Tanzania, she transformed the understanding of human origins.

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