Sunday · September 27, 2026
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American history, reported as it happened
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On this day › August 10

What happened on August 10 in American history

August 10 is the 222nd day of the year (the 223rd in leap years). Patriot Compass has published 7 stories from August 10 spanning 1861 to 2001. Among them: in 1861, Lyon is killed at Wilson's Creek; his beaten army falls back on Springfield; and in 1944, Guam is declared secure; 7,500 Japanese troops are still loose in the hills.

1861Member story · 1776 Club

Lyon is killed at Wilson's Creek; his beaten army falls back on Springfield

Outnumbered more than two to one, the Union commander dies leading a countercharge before his men run out of ammunition.
1944

Guam is declared secure; 7,500 Japanese troops are still loose in the hills

Three weeks after wading ashore at Asan and Agat, Marines and Army troops end organized resistance on an island America lost in 1941.
1945

Tokyo says it will surrender, but only if the Emperor stays on his throne

Four days after Hiroshima and one day after Nagasaki, Japan attaches a single condition to Potsdam's terms.
1949Member story · 1776 Club

Two years after unification, Congress gives the Defense Secretary real command

The awkward National Military Establishment becomes the Department of Defense, with a deputy secretary to help run it.
1988

Reagan signs law admitting the internment camps were wrong; $20,000 to every survivor

The bill's number, H.R. 442, was chosen to honor the all-Japanese American regiment that fought in Europe while many of its soldiers' families remained in the camps.
1990Member story · 1776 Club

Magellan reaches Venus; radar will map a planet no eye has seen

Built from Voyager spare parts, the probe arrives to punch through the clouds that have always hidden Venus's surface.
2001Member story · 1776 Club

Storm closing in, Discovery launches early from the Cape

Seven astronauts head for the space station carrying a new crew and an Italian-built cargo hauler named Leonardo.