The term "Indiana Regiments" refers to military units formed in the state of Indiana during the American Civil War. These regiments were primarily composed of volunteers who enlisted to fight for the Union. Indiana contributed over 200,000 soldiers, organized into infantry, cavalry, and artillery units, playing a significant role in various battles throughout the war. Many of the Indiana Regiments were involved in key campaigns, including the Battle of Shiloh and the Battle of Gettysburg. The soldiers from these regiments were known for their bravery and commitment, and their contributions helped shape the outcome of the war. After the conflict, many veterans returned home, influencing the state's post-war development.