page_title: Indiana in the American Civil War
section_title: Indiana regiments
hierarchical_section_title: Indiana in the American Civil War / Conflicts / Indiana regiments
caption_attribution_description: An American Civil War recruitment poster for the Lilly Hoosier Battery, posted by Colonel Eli Lilly in 1862
context_page_description: Indiana, a state in the Midwest, played an important role in supporting the Union during the American Civil War. Despite anti-war activity within the state, and southern Indiana's ancestral ties to the South, Indiana was a strong supporter of the Union. Indiana contributed approximately 210,000 Union soldiers, sailors, and marines. Indiana's soldiers served in 308 military engagements during the war; the majority of them in the western theater, between the Mississippi River and the Appalachian Mountains. Indiana's war-related deaths reached 25,028. Its state government provided funds to purchase equipment, food, and supplies for troops in the field. Indiana, an agriculturally rich state containing the fifth-highest population in the Union, was critical to the North's success due to its geographical location, large population, and agricultural production. Indiana residents, also known as Hoosiers, supplied the Union with manpower for the war effort, a railroad network and access to the Ohio River and the Great Lakes, and agricultural products such as grain and livestock.
context_section_description: Many of Indiana's regiments served with distinction in the war. The 19th Indiana Volunteer Infantry Regiment, 20th Indiana Infantry Regiment, and 27th Indiana Infantry Regiment suffered the highest casualties of the state's infantry regiments as a percentage of the regiment's total enrollment.
  Indiana's first six regiments organized during the Civil War were the 6th, 7th, 8th, 9th, 10th, and 11th Indiana infantry regiments. The men in these regiments volunteered for three months of service at the start of the war, but their brief terms proved inadequate; most of these soldiers re-enlisted for three additional years of service.
  By the end of 1861, forty-seven Indiana regiments had mustered into service; most of the men enlisted for terms of three years. The majority of the three-year regiments were deployed in the western theater. In 1862 another forty-one regiments from Indiana were mustered into service; about half were sent to the eastern theater and the other half remained in the west. During 1863 six more regiments were mustered into service to replace the casualties of the first two years' fighting, and on July 8, 1863, and additional thirteen temporary regiments were established during Morgan's Raid into southern Indiana. The men in these temporary regiments enlisted for terms of three months, but the regiments disbanded once the threat posed by Morgan's troops was gone. In 1864 twenty-one Indiana regiments mustered into service. As the fighting declined, most of Indiana's regiments mustered out of service by the end of 1864, but some continued to serve. During 1865 fourteen additional Indiana regiments were mustered into a year of service. On November 10, 1865, the 13th Regiment Indiana Cavalry became the state's final regiment to be mustered out of the U.S. Army.
  The 11th Indiana Infantry Regiment, also known as the Indiana Zouaves, under the command of Lew Wallace, was the first regiment organized in Indiana during the Civil War and the first one to march into battle. The 11th Indiana fought in the Battle of Fort Donelson, the Siege of Vicksburg, the second day of the Battle of Shiloh, and elsewhere. In 1861 the 9th Indiana Infantry Regiment became one of the first Hoosier regiments to see action in the war. The 9th Indiana fought in many major battles, including the Battle of Shiloh, the Battle of Stones River, the Atlanta Campaign, and the Battle of Nashville, among others.
  The 14th Indiana Infantry Regiment was nicknamed the "Gibraltar Brigade" for maintaining its position at the Battle of Antietam. It secured Cemetery Hill on the first day of the three-day fight at the Battle of Gettysburg, where it lost 123 of its men. The 19th Indiana Volunteer Infantry Regiment, part of the Iron Brigade, made critical contributions to some of the most important engagements of the war, including the Second Battle of Bull Run, but was almost completely destroyed in the Battle of Gettysburg, where it sustained 210 casualties. The 19th Indiana suffered the heaviest battle losses of any Indiana unit; 15.9 percent of its men were killed or mortally wounded during the war. The 27th Indiana Infantry Regiment earned the nickname "giants in the cornfield" at the Battle of Antietam. The regiment also fought at the Battle of Chancellorsville, the Battle of Gettysburg, and in the Atlanta Campaign. The 27th Indiana's casualties were 15.3 percent of its total enrollment, nearly as many as the 19th Indiana.
  Most of Indiana's regimental units were organized within towns or counties, but ethnic units were also formed, including the 32nd Indiana, a German-American infantry regiment, and the 35th Indiana, composed of Irish Americans. The 28th Regiment U.S. Colored Troops, formed at Indianapolis between December 24, 1863, and March 31, 1864, was the only black regiment formed in Indiana during the war. It trained at Indianapolis's Camp Fremont, near Fountain Square, and included 518 enlisted men who signed on for three years of service. The regiment lost 212 men during the conflict. The 28th participated in the Siege of Petersburg and at the 
caption: A recruitment poster used by Eli Lilly.
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