President Franklin D. Roosevelt signed a 48-hour working week order to increase production during World War II.
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Martial Law was declared in Seattle by President Grover Cleveland due to anti-Chinese unrest.
Milton S. Hershey founded Hershey's Chocolate Company in Lancaster, Pennsylvania, US.
The Beatles made their first appearance on the ''Ed Sullivan Show" and pulled in a record-breaking 73.7 million viewers.
Halley's Comet was last seen from Earth. It only orbits the Earth once every 75 to 76 years.
Donald Trump's second impeachment trial began.
