King Louis the Pious was crowned emperor of the Holy Roman Empire by the Pope.
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The Constitution of the Federative Republic of Brazil was ratified.
Elton John's 7th album, 'Goodbye Yellow Brick Road,' was released.
Notorious American outlaws, The Dalton Brothers, set out to rob two banks in Coffeyville, Kansas.
During World War I, as a soldier, Adolf Hitler was injured by a grenade blast.
The US Public Broadcasting Service (PBS) was founded.
