US President Franklin D. Roosevelt received a letter from Albert Einstein detailing the possibility of atomic weapons.
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Theodore Roosevelt became the first US President to fly in an airplane.
Samsung stopped producing Note 7 phones due to batteries exploding on users.
Lionel Richie's second album and best-selling of all time, 'Can't Slow Down,' was released.
Around 200,000 people marched through Washington, D.C. streets to fight for gay and lesbian civil rights.
NASA launched its first space probe, Pioneer 1.
