The first confirmed trip to the North Pole was carried out by the Norge, a semi-rigid Italian-built airship.
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After encountering many difficulties, Nathan Stubblefield was finally granted a US patent for his new version of a wireless telephone.
One hundred and forty thousand miners went on strike in Pennsylvania.
The first university in the New World, the National University of San Marcos, was founded in Lima, Peru.
National Hospital Day was first observed.
The Soviet Union's Luna 5 uncrewed spacecraft crash-landed on the Moon.
