1915 - The Ottoman Turkish Empire began mass deportations of Armenians.
1916 - The Irish Republican Brotherhood, Sinn Fein, of Irish nationalists led by Patrick Pearse, launched the 'Easter Rebellion' against British rule.
1953 - Winston Leonard Spencer Churchill was knighted by Queen Elizabeth II.
1961 - President John F. Kennedy accepted "sole responsibility" for the failed invasion of Cuba at the Bay of Pigs.
1980 - Failing to recognize the superstitious aspect of the day (April 24) 19 years prior [see above], 8 U.S. military died in an unsuccessful attempt to rescue the 52 American hostages held in Tehran.
1990 - The Discovery space shuttle carried the $1.5 billion Hubble Space Telescope beyond the Earth's visually impairing atmosphere.
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