The 98th Illinois Infantry was organized at Centralia, Illinois and mustered into Federal service on September 3, 1862.[2]
The regiment was converted to mounted infantry on March 8, 1863[3] and became an element of "Wilder's Lightning Brigade",[note 1] a unit that pioneered the use of mounted infantry.[4] As part of that brigade, it performed admirably in the Tullahoma[5][6] and Chickamauga campaigns. Its superior firepower[7] due to its Spencers was found to allow it to take on an enemy that outnumbered them on several occasions and triumph. Also, the rapidity of movement afforded by their mounts gave them a rapid response ability that could take and maintain the initiative from the rebels[8]This combat power prevented much larger Confederate units from crossing a bridge on the first day of Chickamauga[8][9][10] and stopped the left column of the Bragg's key breakthrough on the second day.[11]
The regiment was mustered out on June 27, 1865, and discharged at Springfield, Illinois, on July 7, 1865.[12]
Total strength and casualties
The regiment suffered 30 enlisted men who were killed in action or who died of their wounds and 5 officers and 136 enlisted men who died of disease, for a total of 171 fatalities.[12]
Commanders
Colonel John J. Funkhouser - Discharged due to wounds July 5, 1864.[13]
It acquired the names due to the movement speed that was gained by mounting the brigade, and also by the hatchets/tomohawks that Wilder had issued initially. See Lightning Brigade article for more.
Baumgartner, Richard A. (2007). Blue Lightning: Wilder's Mounted Brigade in the Battle of Chickamauga (1sted.). Huntington, WV: Blue Acorn Press. p.389. ISBN978-1-885033-35-2. OCLC232639520.
Daniel, Larry J.; Lamers, William M. (1961). The Edge of Glory: A Biography of General William S. Rosecrans, U.S.A. (1sted.). New York, NY: Harcourt, Brace & World. ISBN978-0-8071-2396-6. OCLC906813341.
Frisby, Derek W. (2000). Heidler, David S.; Heidler, Jeanne T. (eds.). Tullahoma Campaign. Encyclopedia of the American Civil War: A Political, Social, and Military History. Vol.IV. New York, NY: W. W. Norton & Company. pp.–2733. ISBN978-0-393-04758-5. OCLC317783094.
Garrison, Graham; Pierson, Parke; Shoaf, Dana B. (March 2003). "Lightning at Chickamauga". America's Civil War. 16 (1). Historynet LLC: 46–54. ISSN1046-2899. Retrieved April 6, 2020.
Hallock, Judith Lee (1991). Braxton Bragg and Confederate Defeat, Volume 2 (1sted.). Tuscaloosa, AL: University of Alabama Press. ISBN978-0-585-13897-8. OCLC1013879782.
Robertson, William Glenn (2010). "Bull of the Woods? James Longstreet at Chickamauga". In Woodworth, Steven E. (ed.). The Chickamauga Campaign(Kindle). Civil War Campaigns in the West (2011 Kindleed.). Carbondale, IL: Southern Illinois University Press. ISBN978-0-8093-8556-0. OCLC649913237. Retrieved April 6, 2020.
Starr, Stephen Z. (1985). The War in the West, 1861-1865. The Union Cavalry in the Civil War. Vol.III (1sted.). Baton Rouge, LA: Louisiana State University Press. ISBN978-0-8071-1209-0. OCLC769318010.