Thomas J Martin patented the fire extinguisher.
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Pope John Paul II proclaimed the day as the first-ever World Youth Day.
The battle of Iwo Jima was won by the US after a month and a week of fighting.
Baltimore's iconic Francis Scott Key Bridge collapsed after being struck by a cargo ship.
James Cameron dove into the deepest point of the Marianas Trench, Challenger Deep.
Ariana Grande released her first single, 'The Way.'
