The Civil War began with the bombardment of Fort Sumter in Charleston, South Carolina on April 15, 1861. This marked the start of four bloody years of conflict between the Union and Confederate states over the issues of slavery and states' rights. Some of the major battles and events that took place include the battles of Shiloh, Antietam, Gettysburg, and Vicksburg in 1862-1863, which resulted in massive casualties but key Union victories. In 1863, Lincoln issued the Emancipation Proclamation, shifting the war's focus to emancipation. As the war dragged on, Lincoln and the Union adopted a "hard war" strategy of increasing pressure on the Confederacy. The war finally concluded in April 1865 with