Montana in the American Civil War Montana in the American Civil War The area that eventually became the U.S. state of Montana played little direct role in the American Civil War. The closest the Confederate States Army ever came to the area was New Mexico and eastern Kansas, each over a thousand miles away. There was not even an organized territory using "Montana" until the Montana Territory was created on May 26, 1864, three years after the Battle of Fort Sumter. In 1861, the area was divided between the Dakota Territory and the Washington Territory, and in 1863, it was part of the Idaho Territory. Nevertheless,
Maine in the American Civil War Portland commanded the steam sloop USS "Brooklyn" in the action with Fort Gaines and Fort Morgan and with the Confederate gunboats in the Battle of Mobile Bay. Henry K. Thatcher of Thomaston commanded the West Gulf Blockading Squadron in a combined arms action against Mobile, which surrendered April 12, 1865. Maine in the American Civil War As a fervently abolitionist and strongly Republican state, Maine contributed a higher proportion of its citizens to the Union armies than any other, as well as supplying extensive equipment and stores. Although no land battles were fought in Maine, the Battle of Portland Harbor