Battle of Boonville

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First Battle of Boonville
Part of the Trans-Mississippi Theater of the American Civil War
The Battle of Boonville, Mo. by Orlando C. Richardson
Date June 17, 1861 Location Boonville, Missouri 38°58′35″N 92°44′35″W / 38.9765°N 92.743°W / 38.9765; -92.743 Result Union victory
Belligerents
United States	Missouri (Confederate)
Commanders and leaders
Nathaniel Lyon	John S. Marmaduke
Units involved
1st Missouri infantry 2nd Missouri infantry 2nd U.S. Infantry 2nd U.S. Artillery	Missouri State Guard
Strength
1,700	~1,500
Casualties and losses
5 killed or died of wounds 7 wounded	5 killed or died of wounds 10 wounded 60-80 captured and paroled
Boonville class=notpageimage| Location within Missouri

The First Battle of Boonville was a minor skirmish of the American Civil War, occurring on June 17, 1861, near Boonville in Cooper County, Missouri.^[1][2] Although casualties were extremely light, the battle's strategic impact was far greater than one might assume from its limited nature. The Union victory established what would become an unbroken Federal control of the Missouri River, and helped to thwart efforts to bring Missouri into the Confederacy.

Four battles were fought at Boonville during the Civil War: the first battle forms the main subject of this article, while the others are described below under other battles at Boonville.