Idaho in the American Civil War Idaho in the American Civil War The history of Idaho in the American Civil War is atypical, as the territory was far from the battlefields. At the start of the Civil War, modern-day Idaho was part of the Washington Territory. On March 3, 1863, the Idaho Territory was formed, consisting of the entirety of modern-day Idaho, Montana, and all but southwest Wyoming. However, there were concerns about Confederate sympathizers in the eastern half of the territory, in what is present-day Montana. As a result, in 1863 Sidney Edgerton traveled quickly to see President Abraham Lincoln about the situation; this was
Names of the American Civil War and "War Between the States" have been used jointly in some formal contexts. For example, to mark the war's centenary in the 1960s, the State of Georgia created the "Georgia Civil War Centennial Commission Commemorating the War Between the States". In 1994, the U.S. Postal Service issued a series of commemorative stamps entitled "The Civil War/The War Between the States". During and immediately after the war, U.S. officials, Southern Unionists, and pro-Union writers often referred to Confederates as "Rebels". The earliest histories published in northern U.S. states commonly refer to the American Civil War as "the Great Rebellion" or "the