Organized by authority of Gen. Lyon June, 1861
Scout duty till September - Mustered out September, 1861

AUGUST 10, 1861 - Battle of Oak Hills, Springfield, or Wilson's Creek, Missouri.

No. 1 - Reports of Maj. Gen. J. C. Frémont, U.S. Army. General Lyon, in three columns, under himself, Sigel, and Sturgis, attacked the enemy at 6.30 o'clock on the morning of the 10th, 9 miles southeast of Springfield. Engagement severe. Our loss about 800 killed and Wounded. General Lyon killed in charge at head of his column. Our force 8,000, including 2,000 Home Guards.