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 Names of the American Civil War The American Civil War has been known by a number of names since it began in 1861. These names reflect the historical, political, and cultural sensitivities and agendas of different groups and regions. The most common name in modern American usage is simply "The Civil War". Although used rarely during the war, the term "War Between the States" became widespread afterward in the Southern United States. During and immediately after the war, historians often used the term "War of the Rebellion" or "Great Rebellion", while the Confederate term was "War for Southern Independence". The