King Louis the Pious was crowned emperor of the Holy Roman Empire by the Pope.
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AT&T was founded by Alexander Graham Bell, Gardiner Greene Hubbard, and Thomas Sanders.
Britain's R101 airship crashed in France on its maiden voyage.
A Russian actress and a film director were launched into space to create the world's first film in orbit.
During World War I, as a soldier, Adolf Hitler was injured by a grenade blast.
Banksy's famous 'Girl With Balloon' was sold for £1 million at an auction, then the piece automatically self-destructed by running through a shredder fitted into the frame.
