Subject: Happy Antietam Day
The Battle of Antietam, also called the Battle of Sharpsburg, particularly in the Southern United States, took place during the American Civil War on September 17, 1862, between Confederate General Robert E. Lee's Army of Northern Virginia and Union Major General George B. McClellan's Army of the Potomac near Sharpsburg, Maryland, and Antietam Creek.
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The Union had 12,410 casualties with 2,108 dead. Confederate casualties were 10,316 with 1,547 dead. This represented 25% of the Federal force and 31% of the Confederates. Overall, both sides lost a combined total of 22,727 casualties in a single day...

https://en.wikipedia.org/wiki/...

Let's not do that again.