Battle of Sharpsburg (Confederate)
Battle of Antietam (Union)
Army of the Potomac under McClellan [US] defeats the Army of Northern Virginia under Lee [CS], resulting in the bloodiest day in American history.
Union losses:12,401 men
2,108 dead
9,540 wounded
753 missing
Confederate losses:10, 406
1,546 dead
7,752 wounded
1,108 missing
General "Fighting Joe" Hooker's Army of the Potomac is defeated by Robert E. Lee's Army of Northern Virginia as it crosses the Rappahannock on the way to Richmond
General Robert E. Lee [CS] advances into Pennsylvania where he meets George Meade [US]. First battling north of the city, by the second day Union forces had retreated south, forming a strong line as men arrived almost continuously. On the third day, the infamous Pickett's Charge marked the end of the Confederates hope for a victory
General Braxton Bragg [CS] tries to split General William Rosecrans [US] forces as they try to return to the safety of Chattanooga. A second day breakthrough at the Brotherton Cabin forces the federals into a retreat, halted only by the Rock of Chickamauga, General George Thomas on Snodgrass Hill
The bloodiest two days in American history cost the Federals 1,657 dead, 9,756 wounded, and 4,757 missing for a total of 16,170 casualties out of 58,000 troops. The Confederate losses were 2,312 dead, 14,674 wounded and 1,468 for a total of 18,545 out of 66,000 troops.