American Civil War, four-year war (1861–65) fought between the United States and 11 Southern states that seceded to form the Confederate States of America. It arose out of disputes over slavery and states’ rights.

The American Civil War was fought between 1861 and 1865 over the issues of slavery and states' rights. Learn about Civil War battles, generals, political leaders and more.

The American Civil War was the largest and most destructive conflict in the Western world between the end of the Napoleonic Wars in 1815 and the onset of World War I in 1914.

The American Civil War was a four-year war (1861–65) between the United States and 11 Southern states that seceded from the Union and formed the Confederate States of America.

Learn how the war between the North and the South was sparked by the issue of slavery and the secession of 11 states. Explore the key facts, timeline, and consequences of the bloodiest conflict in American history.

Learn about the origins, battles, and consequences of the Civil War, the deadliest conflict in US history. Explore the political, economic, and social factors that divided the nation and led to secession, slavery, and emancipation.