Juan María Fernández y Krohn tried to assassinate Pope John Paul II with a bayonet.
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The United States and Canada formed NORAD – the North American Air Defense Command.
National Hospital Day was first observed.
More than 69,000 people lost their lives to a magnitude 8.0 earthquake in Sichuan, China.
Jimi Hendrix released 'Are You Experienced,' which is considered one of the most influential debut albums ever.
After encountering many difficulties, Nathan Stubblefield was finally granted a US patent for his new version of a wireless telephone.
