At the battle of Ball’s Bluff, Virginia, federal forces suffered 921 casualties to the Confederacy’s 155. A Union rout at Ball’s Bluff led to the imprisonment of Gen. Charles P. Stone for mistakes made during the battle. Edward Baker, a friend of Lincoln’s, was killed.
The Battle of Chancellorsville, Virginia, ended in Confederate victory at a cost of 24,000 casualties. Outnumbered 115,000 to 60,000, Lee drove the Union forces under Hooker back across the Rappahannock.
The Battle of Shiloh (Pittsburg Landing), Tennessee, ended in Union victory. It was the bloodiest battle up until that point in American history, with more American casualties than the Revolution, War of 1812, and Mexican-American War combined. Union forces suffered 13,047 casualties and the Confederate side 10,699.