More than 69,000 people lost their lives to a magnitude 8.0 earthquake in Sichuan, China.
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The first confirmed trip to the North Pole was carried out by the Norge, a semi-rigid Italian-built airship.
Jimi Hendrix released 'Are You Experienced,' which is considered one of the most influential debut albums ever.
National Hospital Day was first observed.
Revolutionary War soldiers formed the Society of St. Tammany.
The US Commerce Department decided that hurricane names would no longer be only female.
