Prospect Creek Camp in Alaska recorded -80°F, making it the coldest temperature recorded in US history.
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Seventeen people went on trial in the second Moscow Trials.
The last signal from the Pioneer 10 space probe was received.
A category five blizzard occurred in the Mid-Atlantic and North East US, which covered the area in 3 feet of snow.
The programming language 'Java' was released.
US cavalrymen massacred 200 Piegan Blackfeet in the Marias Massacre.