History of the Civil War in 10 Battles, Part 7: The Battle of Antietam

Published: Oct. 9, 2018, 7:50 a.m.

The Battle of Antietam\u2014an 1862 clash between Robert E. lee's Army of Northern Virginian and George McClellan's Army of the Potomac\u2014was the deadliest one-day battle in American history, with a total of 22,717 dead, wounded or missing. It came after Lee...