- 1789 - The first U.S. federal government agency, the Department of Foreign Affairs, is established (later renamed Department of State).
- 1794 - French Revolution: Maximilien Robespierre is arrested after encouraging the execution of more than 17,000 "enemies of the Revolution."
- 1866 - The Atlantic Cable is successfully completed, allowing transatlantic telegraph communication for the first time.
- 1880 - Second Anglo-Afghan War: Battle of Maiwand - In a pyrrhic victory, Afghan forces led by Ayub Khan defeat the British Army in battle near Maiwand, Afghanistan.
- 1953 - Korean War ends: The United States, People's Republic of China, and North Korea, sign an armistice agreement.
- 1955 - The Allied occupation of Austria stemming from World War II, ends (started on May 9, 1945).
- 1990 - The Supreme Soviet of the Belarusian Soviet Republic declares independence of Belarus from the Soviet Union.
- 1996 - Centennial Olympic Park bombing: In Atlanta, Georgia, a pipe bomb explodes at Centennial Olympic Park during the 1996 Summer Olympics, killing two and injuring 111.