US President Franklin D. Roosevelt received a letter from Albert Einstein detailing the possibility of atomic weapons.
Source
President Franklin D. Roosevelt signed a bill establishing the fourth Thursday in November as Thanksgiving Day in the US.
Albert Einstein visited New York City and lectured on his Theory of Relativity for the first time.
North Korea performed a controversial intercontinental ballistic missile test.
An unidentified double flash of light was detected over the Indian Ocean south of Africa.
Franklin D. Roosevelt became the first and last US President to serve four terms.
