Joe Biden gives his acceptance speech virtually for the 2020 Democratic presidential nomination at the 2020 Democratic National Convention.
First Air Flight 6560 crashes 1 mile from the Resolute Bay runway, killing 12 of the 15 aboard.
The Firozabad rail disaster kills 358 people in Firozabad, India.
In India, Meitei language (officially known as Manipuri language) was included in the scheduled languages' list and made one of the official languages of the Indian Government.
Dissolution of the Soviet Union, August Coup: More than 100,000 people rally outside the Soviet Union's parliament building protesting the coup aiming to depose President Mikhail Gorbachev.
Estonia, occupied by and incorporated into the Soviet Union in 1940, issues a decision on the re-establishment of independence on the basis of legal continuity of its pre-occupation statehood.
Voyager program: NASA launches the Voyager 2 spacecraft.
Viking program: NASA launches the Viking 1 planetary probe toward Mars.
The NS Savannah, the world's first nuclear-powered civilian ship, embarks on its maiden voyage.
Senegal breaks from the Mali Federation, declaring its independence.
World War II: One hundred sixty-eight captured allied airmen, including Phil Lamason, accused by the Gestapo of being "terror fliers", arrive at Buchenwald concentration camp.
World War II: The Battle of Romania begins with a major Soviet Union offensive.
In Mexico City, exiled Russian revolutionary Leon Trotsky is fatally wounded with an ice axe by Ramón Mercader. He dies the next day.
World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few".
World War II: The Eighth Route Army launches the Hundred Regiments Offensive, a successful campaign to disrupt Japanese war infrastructure and logistics in occupied northern China.
The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
World War I: Brussels is captured during the German invasion of Belgium.
Sun Yat-sen, Song Jiaoren, and others establish the Tongmenghui, a Republican, anti-Qing revolutionary organisation, in Tokyo, Japan.
President Andrew Johnson formally declares the American Civil War over.
Charles Darwin first publishes his theory of evolution through natural selection in The Journal of the Proceedings of the Linnean Society of London, alongside Alfred Russel Wallace's same theory.