President Franklin D. Roosevelt signed a 48-hour working week order to increase production during World War II.
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The Blitz began.
US President Franklin D. Roosevelt arrived in Morocco, where he met British Prime Minister Winston Churchill to discuss allies during World War II.
The Germans surrendered to the Allies.
US President Franklin D. Roosevelt received a letter from Albert Einstein detailing the possibility of atomic weapons.
British bomber planes obliterated 89% of Würzburg, Germany, within just 20 minutes.
