Hawaii was shaken by an eruption of the Mauna Loa volcano that lasted 300 days and destroyed a coastal village.
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The programming language 'Java' was released.
US cavalrymen massacred 200 Piegan Blackfeet in the Marias Massacre.
The last signal from the Pioneer 10 space probe was received.
A Morse code distress call was made at sea, which led to the first radio sea rescue.
Prospect Creek Camp in Alaska recorded -80°F, making it the coldest temperature recorded in US history.
