Milton S. Hershey founded Hershey’s Chocolate Company in Lancaster, Pennsylvania, US.
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The Simpsons aired its 167th episode, making it the longest-running animation in TV history.
Donald Trump's second impeachment trial began.
President Ulysses S. authorized the establishment of the United States National Weather Service (NWS).
Daylight Saving started in the US.
President Franklin D. Roosevelt signed a 48-hour working week order to increase production during World War II.