Coup d’état attempt on President Hugo Chávez failed in Venezuela.
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President Ronald Reagan returned home from the hospital after narrowly escaping death after someone shot him on March 30.
The Avengers premiered in Los Angeles, California, US.
The Apple I computer was built.
Paleontologists unearthed dinosaur eggs with embryonic bones inside in China.
The War of the Roses ended with King Henry VI surrendering to King Edward IV in London.
