9. Benjamin Harrison
Benjamin Harrison, grandson of President William Henry Harrison, served as a colonel in the 70th Indiana Volunteer Infantry during the Civil War. He commanded his regiment in key battles, including Resaca and Peachtree Creek, earning a brevet promotion to brigadier general in 1865. His military service enhanced his reputation as a disciplined and patriotic leader, contributing to his election as the 23rd President of the United States. (nps.gov)
