The emperor of China patented the toothbrush using coarse boar bristles.
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William IV became king of The United Kingdom and Hanover until his death in 1837.
President Bill Clinton ordered a US cruise missile strike on Iraq.
Musical 'Grease' opened at the New London Theatre.
The US Navy's Vanguard SLV-2 launch vehicle failed to reach Earth's orbit.
Richard III was crowned King of England.
