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100th Illinois Volunteer Infantry Regiment

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Country  United States
Branch  Infantry
Allegiance  Union
Disbanded  June 15, 1865
Active  August 30, 1862 – June 15, 1865
Engagements  American Civil War Battle of Perryville Battle of Stone's River Battle of Chickamauga Siege of Chattanooga Battle of Missionary Ridge Battle of Kennesaw Mountain Battle of Jonesborough Battle of Nashville

The 100th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.



The 100th Illinois Infantry was organized at Joliet, Illinois, and mustered into Federal service on August 30, 1862. The regiment was mustered out on June 12, 1865, and discharged at Chicago, Illinois, on June 15, 1865.

Total strength and casualties

The regiment suffered 7 officers and 73 enlisted men who were killed in action or who died of their wounds and 134 enlisted men who died of disease, for a total of 214 fatalities.


  • Colonel Frederick A. Bartleson - killed in action at the Battle of Kennesaw Mountain on June 23, 1864.
  • Lieutenant Colonel Charles M. Hammond - Mustered out with the regiment.
  • References

    100th Illinois Volunteer Infantry Regiment Wikipedia