Barack Obama became the first African American to win a United States Presidential Election.
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J.K. Rowling's first Harry Potter Movie, 'The Philosopher's Stone,' premiered in Leicester Square, London, UK.
The Japanese Prime Minister, Hara Takashi, was assassinated in Tokyo.
A chimpanzee was observed for the first time making and using tools.
Around 1,000 Soviet tanks entered Budapest, the capital of Hungary, after bombing half the city in an attempt to take over.
Mozart's Symphony No.36 premiered in Linz, Austria.
