The Camp Jackson affair, also known as the Camp Jackson massacre, occurred during the American Civil War on May 10, 1861, when a volunteer Union Army regiment captured a unit …

Less than a month after the war’s first shots were fired at Fort Sumter, South Carolina, the first instance of bloodshed in Missouri occurred when a volunteer Union Army regiment captured a …

The event in St. Louis came to be known in history as the Camp Jackson affair. Among the many onlookers of this event happened to be the man in charge of mustering Illinois regiments into …

In answer to Gov. Jackson’s call, close to 1,000 men made camp in St. Louis’s Lindell Grove. Captain Nathaniel Lyon, the commander of the St. Louis Arsenal, considered this mustering of …

The event known as the "Camp Jackson Affair" would cause the balance in Missouri to be tipped in favor of the South. The U.S. Arsenal was located in St Louis and there was concern that …

St. Louis’ Camp Jackson Incident was one of the earliest instances of bloodletting in the Civil War, a minor precursor to the horrible battles to follow. It helped to polarize an already divided state.

In the chaos, Lyon's unseasoned volunteers fire into the crowd, killing some 28 onlookers and wounding nearly 100 more. The incident becomes known as the "Camp Jackson Affair," but …

The Camp Jackson Affair forced most otherwise neutral Missourians to take a side in the conflict. Some former Unionists now even advocated secession, including former Governor Sterling Price.

Dec 19, 2025 · Explore the Camp Jackson Affair of May 1861 in St. Louis, Missouri. Discover how this pivotal event, marked by a Union capture and civilian bloodshed, plunged the state into …

Dec 25, 2025 · The Camp Jackson Affair was the moment Missouri crossed a line it could not step back from. What had been political tension, militia posturing, and uneasy compromise …