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,
Opposition to the American Civil War Opposition to the American Civil War Popular opposition to the American Civil War, which lasted from 1861 to 1865, was widespread. Although there had been many attempts at compromise prior to the outbreak of war, there were those who felt it could still be ended peacefully or did not believe it should have occurred in the first place. Opposition took the form of both those in the North who believed the South had the right to be independent and those in the South who wanted neither war nor a Union advance into the newly declared Confederate States of America. The