The 11th Indiana Infantry Regiment lost 1 enlisted man to disease during the Civil War. After the regiment mustered out another 11th Indiana Regiment was formed for three years service, serving entirely in the Western Theater.

April 21-25 Organized at Indianapolis, Ind., for one year of State service
May Duty picketing the Ohio River, near Evansville, Ind.,
June 7-9 Moved to Cumberland, Md.
June 13 Action at Romney
June 14 Seneca Mills
June 27 Frankfort and Patterson Creek
July 8 March to Bunker Hill and joined Patterson’s command.
July 11-13 Expedition to Romney
July 29 Moved to Indianapolis, Ind.
August 2 Mustered out