Juan María Fernández y Krohn tried to assassinate Pope John Paul II with a bayonet.
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The first-ever quadraphonic concert was held.
The US Commerce Department decided that hurricane names would no longer be only female.
National Hospital Day was first observed.
The United States and Canada formed NORAD – the North American Air Defense Command.
The first confirmed trip to the North Pole was carried out by the Norge, a semi-rigid Italian-built airship.