1 | 1861 | - 12 Apr 1861—26 May 1865: American Civil War
The war was fought between eleven Southern states that formed the Confederate States of America after their secession from the United States and the United States of America, and began when Confederate forces attacked Fort Sumter in South Carolina. The Confederacy collapsed when General Lee surrendered to General Grant securing the Union victory. This is the deadliest war in American history with the deaths of 620,000 soldiers and an unknown number of civilian casualties.
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