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1790 - First US census (population of 3,939,214).

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1861 - Brazil recognizes Confederacy.

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1863 - Cavalry action near Brandy Station - End of Gettysburg Campaign.

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1933 - NRA (National Recovery Administration) is established.

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1941 - The first Jeep car is produced.

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1943 - Race riot in Harlem, New York City.

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1943 - 164 American B-24 bombers attack Ploesti, Romania. Due to several factors, some planes take a wrong course, alerting defences. 41 planes are lost during the attack, two collide on the return trip, eight land in Turkey, 23 land at Allied bases in the Mediterranean, and 90 return to Benghazi, many too damaged to fly again. Three hundred American airmen are killed during the operation.

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1946 - US President Harry Truman establishes Atomic Energy Commission (AEC).

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1950 - American Bowling Congress ends all-white-males rule.

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1950 - US territory of Guam created.

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