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1793 - George Washington lays the cornerstone of the US Capitol building.

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1866 - The Grand Masonic Lodge of Nevada lays the cornerstone for the Carson City Mint.

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1870 - Old Faithful Geyser is observed and named by Henry D. Washburn.

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1919 - Fritz Pollard becomes the first African-American to play professional football for a major team, the Akron Pros.

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1926 - Hurricane hits Miami and south Florida, destroying hotels, piers, marinas, mansions built in preceding years. 400 killed, 50,000 made homeless.

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1945 - 1000 whites walk out of Gary, Indiana, schools to protest integration.

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1947 - The United States Air Force becomes an independent service.

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1959 - Vanguard 3 is launched into orbit to measure local phenomena related to Earth's atmosphere.

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1975 - FBI captures heiress/bank robber Patricia Campbell Hearst in San Francisco, California.

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1986 - Motorola announces the Motorola 68030 microprocessor. It incorporates about 300,000 transistors.

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