The first leap second was added to the UTC time system.
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Robert H. Lawrence, Jr. was selected as the first African-American astronaut.
Tower Bridge officially opened in London.
The US government passed the Indian Trade and Intercourse Act.
The Nazi Party killed around 1,000 people, which became known as the 'Night of Long Knives.'
An unidentified object thought to be a meteoroid or comet smashed into a remote forest in Siberia and destroyed 21,528 square feet of land.
