The Avengers premiered in Los Angeles, California, US.
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Anastasius I Dicorus ascended to the throne of the Byzantine Empire at the age of sixty-one.
President Ronald Reagan returned home from the hospital after narrowly escaping death after someone shot him on March 30.
Paleontologists unearthed dinosaur eggs with embryonic bones inside in China.
Coup d'état attempt on President Hugo Chávez failed in Venezuela.
The RMS Titanic departed Queenstown, Ireland, for its fatal journey to New York.
