Veterans from the community known as Hanover, which later became Germantown, served in the American Civil War from 1861 to 1865. They included Frank Aldhoff, George Borhel, Bernard Barkman, Henry Brockhaus, Henry Burghartz, Henry Curdt, James Gray, John Grote, Theodore Herbes, Thedore Hernelgarn, John Hilbers, Joseph Wubbe, William Harnitch, Peter Helsing, John Hamilton, Gerhard Karhoff, Peter Keper, Edward Kleinkorte, Clements Kock, Henry Lampen, Frank Leigers, Henry Leonard, Joe Mettzer, Jospeh Jones, Joseph Mussenbrock, Jacob Noble, William Nettler, Thomas O'Donnell, William Patrick, henry Peterman, Bernard Schonefelt, Bernard Sickmier, Anton Thien, Dix Thising, Charles Townsend, Gotlieb Wildhaber, John Warnz, John Wilson, John Witter, and Lewis Wride.