The Constitution of the Federative Republic of Brazil was ratified.
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King Louis the Pious was crowned emperor of the Holy Roman Empire by the Pope.
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.
The Great Cyclone of Calcutta hit India and destroyed over half the city.
Stephenie Meyer's vampire novel 'Twilight' was published.
Marc Garneau became the first Canadian to reach outer space.