William IV became king of The United Kingdom and Hanover until his death in 1837.
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Musical 'Grease' opened at the New London Theatre.
The US Navy's Vanguard SLV-2 launch vehicle failed to reach Earth's orbit.
Ice Age: Continental Drift premiered in Buenos Aires, Argentina.
Same-sex marriage became legal in all 50 states.
Fifty countries signed the United Nations Charter in San Francisco.
