The 151st Infantry Regiment traces its roots to the Indiana Territory Indiana Rangers militia. It was in the 1811 Battle of Tippecanoe that it earned its motto "Wide Awake! Wide Awake!" In 1846, the 2d Regiment, Indiana Volunteers, Indiana Brigade was mustered into Federal Service for the Mexican–American War, and was again federalized in 1861 during the American Civil War. It was reorganized in 1882 into the Indiana Legion, which was renamed the Indiana National Guard 5 March 1895.The 151st Infantry Regiment is credited with 24 campaigns from the Civil War due to lineage traced to the 7th, 10th, and 11th Indiana Volunteer Infantry Regiments