Who lost the war in 1865?

The Confederacy lost the American Civil War in 1865. The war concluded with the surrender of General Robert E. Lee's Army of Northern Virginia to Union General Ulysses S. Grant at Appomattox Court House on April 9, 1865. This defeat marked the collapse of the Confederate states' efforts to secede from the Union and maintain slavery. The war officially ended with the surrender of remaining Confederate forces later that year.