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1854 - The San Francisco Mint begins striking its first coins, 1854 Coronet $20 double eagles, first US coins with a "S" mint mark.

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1860 - The first successful United States Pony Express run from Saint Joseph, Missouri to Sacramento, California begins.

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1864 - Skirmish at Okolona, Arkansas.

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1865 - Battle at Namozine Church, Virginia (Appomattox Campaign).

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1865 - Union forces occupy Confederate capital of Richmond, Virginia, and Petersburg, Virginia.

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1941 - The El Rancho Vegas hotel/casino opens on the Los Angeles Highway outside Las Vegas, Nevada. This starts the "Las Vegas Strip".

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1944 - US Supreme Court (Smith versus Allwright) rules "white primaries" are unconstitutional.

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1945 - US first army conquers Hofgeismar.

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1948 - US President Harry Truman signs Marshall Plan (US$5 billion aid to 16 European countries).

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1952 - Dutch Queen Juliana speaks to US Congress.

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