US President Franklin D. Roosevelt received a letter from Albert Einstein detailing the possibility of atomic weapons.
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An atomic bomb explosion was aired on TV for the first time.
French President Jacques Chirac announced France's nuclear test program had finished.
President Franklin D. Roosevelt signed a 48-hour working week order to increase production during World War II.
Genius Albert Einstein died due to heart failure at age 76.
President Franklin D. Roosevelt delivered his 'Day of Infamy' speech to the US Congress – a day after the bombing of Pearl Harbor.
