Windows 1.0 Released
Microsoft released Windows 1.0, the first public version of its graphical operating environment, on November 20, 1985. This marked a significant step in the development of personal computing.
Discover 15 historical moments on November 20 — 5 events, 5 birthdays, and 5 notable deaths spanning centuries of human history.
Hero image inspired by: First Nagorno-Karabakh War
Microsoft released Windows 1.0, the first public version of its graphical operating environment, on November 20, 1985. This marked a significant step in the development of personal computing.
Andrei Chikatilo, a notorious Soviet serial killer, was arrested in Novocherkassk on November 20, 1990. He is considered one of the most prolific serial killers in Soviet history.
An Azerbaijani military helicopter carrying a peacekeeping mission was shot down in Nagorno-Karabakh on November 20, 1991. This event disrupted ongoing peace talks during the First Nagorno-Karabakh War.
On November 20, 1994, the Angolan government signed a ceasefire with UNITA rebels under the Lusaka Protocol. This attempt to end the Angolan Civil War ultimately failed.
Suicide bombers attacked the British consulate and HSBC Bank in Istanbul on November 20, 2003, killing 31 people. Among the victims were consul general Roger Short and actor Kerem Yılmazer.
John Prescott was a British sailor and politician who served as Deputy Prime Minister of the United Kingdom.
Jodi Rell was an American politician and the 87th Governor of Connecticut.
November 20 is home to 15 recorded historical entries in our collection, including 5 notable events, 5 famous birthdays, and 5 deaths. This date has witnessed momentous occasions spanning from 1985 to the present day.
Among the most notable events on November 20: Windows 1.0 Released (1985), Andrei Chikatilo Arrested (1990), Helicopter Shot Down in Nagorno-Karabakh (1991). View all events →
Notable figures born on November 20 include Levi Garcia, Connie Talbot, Caty McNally. View all birthdays →
Remembered figures who died on November 20 include Jan Morris, Ursula Haverbeck, Andy Paley. View all →
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