The first confirmed trip to the North Pole was carried out by the Norge, a semi-rigid Italian-built airship.
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One hundred and forty thousand miners went on strike in Pennsylvania.
More than 69,000 people lost their lives to a magnitude 8.0 earthquake in Sichuan, China.
The United States and Canada formed NORAD – the North American Air Defense Command.
The first-ever quadraphonic concert was held.
After encountering many difficulties, Nathan Stubblefield was finally granted a US patent for his new version of a wireless telephone.
