Pope John Paul II proclaimed the day as the first-ever World Youth Day.
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The US tested the TX-17 thermonuclear bomb for the first time in Bikini Atoll of the Marshall Islands.
Baltimore's iconic Francis Scott Key Bridge collapsed after being struck by a cargo ship.
King Richard III of England was reburied at Leicester Cathedral, England.
Ariana Grande released her first single, 'The Way.'
Michelle Obama's memoir 'Becoming' surpassed 10 million copies sold after four months of circulation.
