American Civil War American Civil War The American Civil War (also known by other names) was a war fought in the United States from 1861 to 1865. The Civil War is the most studied and written about episode in U.S. history. Primarily as a result of the long-standing controversy over the enslavement of black people, war broke out in April 1861 when secessionist forces attacked Fort Sumter in South Carolina shortly after Abraham Lincoln had been inaugurated as the President of the United States. The loyalists of the Union in the North proclaimed support for the Constitution. They faced secessionists of the Confederate
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