1st Indiana Heavy Artillery Regiment

1st Indiana Heavy Artillery Regiment 21st Indiana Volunteer Infantry Regiment
Indiana artillery, presumably part of the 1st Regiment, at the Siege of Port Hudson in 1863
Active	July 24, 1861, to January 10, 1866
Country	United States
Allegiance	Union
Branch	Infantry & Heavy artillery
Engagements	American Civil War Battle of Baton Rouge Bayou Teche Campaign Siege of Port Hudson Red River Campaign (Companies G & I) Battle of Mobile Bay Battle of Spanish Fort Battle of Fort Blakely

1st Regiment Indiana Heavy Artillery was a heavy artillery regiment that served in the Union Army during the American Civil War. It was nicknamed the "Jackass Regiment". Before being converted into an artillery unit in 1863, it served as the 21st Regiment, Indiana Volunteer Infantry.