The RMS Titanic departed Queenstown, Ireland, for its fatal journey to New York.
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Julian Assange, the founder of WikiLeaks, was removed from London's Ecuadorian Embassy by police.
The Avengers premiered in Los Angeles, California, US.
Anastasius I Dicorus ascended to the throne of the Byzantine Empire at the age of sixty-one.
The Apple I computer was built.
Apollo 13 was launched successfully but ran into difficulties two days later.
