Harvey Kennedy patented the modern shoelace, which included aglet reinforced tips.
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During the Oscar's ceremony, Will Smith slapped Chris Rock following a joke directed towards Will's wife, Jada Pinkett-Smith.
A 9.2 magnitude earthquake occurred in Alaska.
Martin Luther King's son met the man convicted of killing his father, James Earl Ray.
North Macedonia officially joined NATO, becoming the 30th member of the military alliance.
NASA launched its Mariner 7 space probe from Cape Canaveral atop an Atlas-Centaur rocket.