Date
- August 10, 1861
Location
- Wilson’s Creek, near Springfield, Missouri
Campaign
- Operations to Control Missouri
Principal Confederate Commanders
- Major General Sterling Price
- Brigadier General Ben McCulloch
- Brigadier General Nicholas Pearce
Principal Union Commanders
- Brigadier General Nathaniel Lyon
- Colonel Franz Sigel
- Major Samuel D. Sturgis
Union Forces Engaged
- Army of the West
Confederate Forces Engaged
- Missouri State Guard
- Western Army
Number of Union Soldiers Engaged
- Roughly 5,430
Number of Confederate Soldiers Engaged
- Roughly 11,000
Union Casualties
- Estimated 1,317 (285 killed, 873 wounded, 186 missing)
Confederate Casualties
- Estimated 1,232 (277 killed, 945 wounded, 10 missing)
Result
- Confederate victory
Significance
- The Confederate victory at the Battle of Wilson’s Creek buoyed secessionist sympathies in Missouri and emboldened the Confederates to launch an offensive to regain control of northern Missouri.