Definition: 1861-1865 conflict between the Union (Northern states) and the 11 Southern states that seceded and were organized as the Confederate States of America.
Other names Wars, American Civil; War, American Civil; U. S. Civil War, 1861 1865; Civil Wars, American; Civil War, American; American Civil Wars; War of the Rebellion; War of Secession; U. S. Civil War, 1861-1865; War Between the States