The emperor of China patented the toothbrush using coarse boar bristles.
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Ice Age: Continental Drift premiered in Buenos Aires, Argentina.
Karl Benz patented the gasoline-operated motor car.
The first Harry Potter book, 'Harry Potter and the Philosopher's Stone,' hit the shelves in the UK.
Musical 'Grease' opened at the New London Theatre.
The US Navy's Vanguard SLV-2 launch vehicle failed to reach Earth's orbit.
