Seventeen people went on trial in the second Moscow Trials.
Many were sent to death for their crimes in the Great Purge.
Source
Walter Frederick Morrison sold the rights to the Pluto Platter to Wham-O, who soon changed the toy's name to 'Frisbee.'
Adrian Hidalgo set the world record for spinning a diabolo around his leg 117 times in 1 minute.
The last signal from the Pioneer 10 space probe was received.
Prospect Creek Camp in Alaska recorded -80°F, making it the coldest temperature recorded in US history.
The programming language 'Java' was released.