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. 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.
At the onset of the Civil War, Missouri, like many border states in the Union, was deeply divided over whether to support the United States under Abraham Lincoln, or join the nascent Confederacy under Jefferson Davis. Claiborne F. Jackson, the pro-Confederate governor, wanted his state to secede, but Missouri's overall sentiment was initially neutral. An elected State convention did not pass a secession ordinance, as Jackson had hoped it might.
However, pro-secession elements did not let this setback dissuade them. They seized the small Federal armory in Liberty, Missouri, planning to subsequently confiscate a much more sizable stock of weapons located at the St. Louis Arsenal. This plot was temporarily thwarted by an energetic young officer, Captain Nathaniel Lyon. Lyon allied himself with Missouri Congressman Frank Blair and anti-slavery German immigrants in St. Louis to secure the arsenal for the Union. In the process, Lyon used a mixed force of U.S. Army Regulars and Federally enrolled Missouri Volunteers (mostly ethnic Germans) to capture the Missouri Volunteer Militia (MVM) which had assembled (purportedly for an innocuous annual drill) at Camp Jackson on the outskirts of St. Louis on May 10, 1861.
When Lyon unwisely attempted to march his prisoners through the streets of St. Louis, a deadly riot erupted. The Missouri General Assembly, convened an emergency session that night, and passed a series of emergency bills creating the secessionist Missouri State Guard and granting Governor Jackson near-dictatorial powers to take any actions necessary to "repel invasion" (by Federal forces) and "suppress insurrection" (by Missouri Unionists enlisted in Federal forces). The new State Guard began organizing statewide in nine decentralized military districts, initially structured around the independent militia companies of the pre-Camp Jackson MVM. State Guard authorities also worked to manage the large numbers of volunteers who flooded into Jefferson City to protect the state capital from a Federal attack that Jackson's supporters believed was imminent.
The American Civil War (1861–1865) was the deadliest conflict in American history, killing an estimated 620,000 to 750,000 soldiers and an unknown number of civilians. The Confederate States of America, formed by eleven seceding Southern states, faced the Union in four years of warfare across 23 states and territories. Major engagements included First and Second Bull Run, Antietam (the bloodiest single day in American history, September 17, 1862), Chancellorsville, Gettysburg (July 1–3, 1863), Vicksburg (surrendered July 4, 1863), and Sherman's March through Georgia and the Carolinas (1864–1865). President Lincoln issued the Emancipation Proclamation on January 1, 1863, transforming the war's stated purpose to include the abolition of slavery and enabling the enlistment of approximately 180,000 Black men in the United States Colored Troops. Confederate General Robert E. Lee surrendered to Ulysses S. Grant at Appomattox Court House on April 9, 1865. The war resolved the question of secession and ended American slavery, though Reconstruction would face sustained resistance in its attempt to secure civil rights for formerly enslaved people.
This page covers Boonville Skirmish (Price's Raid approach). A full Aubrey report for the area pulls together this battle alongside historic sites, land records, and everything else the record holds within a few miles:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
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