Around 1,000 Soviet tanks entered Budapest, the capital of Hungary, after bombing half the city in an attempt to take over.
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J.K. Rowling's first Harry Potter Movie, 'The Philosopher's Stone,' premiered in Leicester Square, London, UK.
A chimpanzee was observed for the first time making and using tools.
The Japanese Prime Minister, Hara Takashi, was assassinated in Tokyo.
After a second siege, Joan of Arc liberated the town of Saint-Pierre-le-Moûtier, France.
Barack Obama became the first African American to win a United States Presidential Election.