Michelle Obama’s memoir “Becoming” surpassed 10 million copies sold after four months of circulation.
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Baltimore's iconic Francis Scott Key Bridge collapsed after being struck by a cargo ship.
Pope John Paul II proclaimed the day as the first-ever World Youth Day.
Driving tests were introduced in the UK for the first time.
The US tested the TX-17 thermonuclear bomb for the first time in Bikini Atoll of the Marshall Islands.
Up to 20,000 people were killed in an earthquake in Caracas, Venezuela.
