Also known as the First Battle of Manassas General Irvin McDowell was hoping for an easy win against the newly formed Confederacy and planned a surprise attack on General P.G.T Beauregard's forces at the railroad junction of Manassas. McDowell amassed 35,000 soldiers to attack the Confederate positions. The tide of the battle changed when confederate forces captured union artillery. The battle ended with the Confederacy winning.
Battle of Chickamauga
President Lincoln had the emancipation proclamation ready to go but after several union losses Lincoln's cabinet feared he would look desperate by releasing it. Troops from both sides faced off across a 30 acre field. The battle resulted in 23,000 casualties and 3.650 deaths.The union claimed the victory of the deadliest battle in American history.
After William Rosecran's troops pushed the confederate army out of Chattanooga earlier in the month Braxton Brag's army of Tennessee defeated a union led by Rosecrans.