<P> The Battle of Antietam / ænˈtiːtəm / , also known as the Battle of Sharpsburg , particularly in the Southern United States , was a battle of the American Civil War , fought on September 17 , 1862 , between Confederate General Robert E. Lee 's Army of Northern Virginia and Union General George B. McClellan 's Army of the Potomac , near Sharpsburg , Maryland and Antietam Creek . Part of the Maryland Campaign , it was the first field army -- level engagement in the Eastern Theater of the American Civil War to take place on Union soil . It was the bloodiest day in United States history , with a combined tally of 22,717 dead , wounded , or missing . </P>
<P> The Battle of Antietam / ænˈtiːtəm / , also known as the Battle of Sharpsburg , particularly in the Southern United States , was a battle of the American Civil War , fought on September 17 , 1862 , between Confederate General Robert E. Lee 's Army of Northern Virginia and Union General George B. McClellan 's Army of the Potomac , near Sharpsburg , Maryland and Antietam Creek . Part of the Maryland Campaign , it was the first field army -- level engagement in the Eastern Theater of the American Civil War to take place on Union soil . It was the bloodiest day in United States history , with a combined tally of 22,717 dead , wounded , or missing . </P>
what was the first major battle of the civil war to be fought on union soil
what was the first major battle of the civil war to be fought on union soil
The Battle of Antietam
The Battle of Antietam