- U.S. troops engaged: 2,213,363
- Battle deaths: 140,414
- The northern states and the southern states fought over slavery and states' rights.
- Seven states seceded from the Union—South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, and Texas. Arkansas, North Carolina, Virginia, and Tennessee followed, bringing the final total of seceded states to 11.
- They called themselves the Confederate States of America and named Jefferson Davis president.
- The war began on April 12, 1861 when the Confederates fired on Charleston, S.C.'s Fort Sumner.
- Confederate and Union soldiers met twice in Manassas, Va., and the battles are known as the first and second Battles of Bull Run. The Confederates won both engagements.
- Union victories at Gettysburg and Vicksburg in 1863 marked the turning point in the war.
- The South surrendered at Appomattox, Virginia, in 1865.
- More than 180,000 black soldiers fought in the Union Army. By the end of the war, they made up 10% of the Union troops. Both free Africans Americans and runaway slaves volunteered as soldiers.
- The Union victory meant re-admission for the seceded states and ended slavery.
See The Civil War for more details about the dates and events of this war.