Near Sharpsburg in Washington County, Maryland — The American Northeast (Mid-Atlantic)
27th Indiana Infantry
Colonel Silas Colgrove Commanding,
was engaged with the enemy 400 yards
north of this marker, September 17th 1862.
Number engaged 440.
Killed and Wounded 209.
Erected 1910 by the State of Indiana.
Topics. This historical marker is listed in this topic list: War, US Civil. A significant historical date for this entry is September 17, 1862.
Location. 39° 28.867′ N, 77° 44.681′ W. Marker is near Sharpsburg, Maryland, in Washington County. It is on Cornfield Avenue, on the right when traveling west. Located between stops three and four of the driving tour of Antietam Battlefield. Touch for map. Marker is in this post office area: Sharpsburg MD 21782, United States of America. Touch for directions.
Regionally, this marker is in the Baltimore Metro Region and in Western Maryland. It is also in the American Mid-Atlantic, in Appalachia, and specifically in Northern Appalachia. Globally, it is in the North Atlantic Region, North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once one of the original Thirteen Colonies.
Other nearby markers. At least 10 other markers are within walking distance of this marker: 137th Pennsylvania Volunteer Infantry (here, next to this marker); 90th Pennsylvania (a few steps from this marker); Ricketts' Division, First Army Corps (within shouting distance of this marker); 128th Pennsylvania Volunteer Infantry (within shouting distance of this marker); First Army Corps (within shouting distance of this marker); Jackson's Command (within shouting distance of this marker); a different marker also named First Army Corps (within shouting distance of this marker); 11th Mississippi Infantry Regiment (within shouting distance of this marker); Battery B (within shouting distance of this marker); U.S. Artillery (within shouting distance of this marker). Touch for a list and map of all markers in Sharpsburg.
Also see . . .
1. 27th Indiana Infantry Monument. National Park Service page detailing the monument. (Submitted on February 24, 2008, by Craig Swain of Leesburg, Virginia.)
2. Colonel Silas Colgrove. Antietam on the Web entry:
A lawyer before the Civil War, Colgrove listed Winchester, Indiana, as his residency when he was appointed lieutenant colonel of the three-month 8th Indiana Volunteer Infantry on April 26, 1861. (Submitted on October 22, 2015, by Brian Scott of Anderson, South Carolina.)
3. Silas Cosgrove. Find A Grave website entry (Submitted on October 22, 2015, by Brian Scott of Anderson, South Carolina.)

Photographed by Craig Swain, February 9, 2008
7. Advance of William's Division
Looking from Cornfield Avenue to the east, past the monuments. The 27th was part of William's Division, which advanced from the East Woods into the flanks of Confederate units defending the cornfield. By this phase of the battle, several successive waves of attacks and counterattacks had left the field trampled, cut, and covered with bodies.
Credits. This page was last revised on January 6, 2025. It was originally submitted on February 24, 2008, by Craig Swain of Leesburg, Virginia. This page has been viewed 1,243 times since then and 83 times this year. Photos: 1. submitted on February 24, 2008, by Craig Swain of Leesburg, Virginia. 2. submitted on October 22, 2015, by Brian Scott of Anderson, South Carolina. 3. submitted on February 24, 2008, by Craig Swain of Leesburg, Virginia. 4, 5, 6. submitted on October 22, 2015, by Brian Scott of Anderson, South Carolina. 7. submitted on February 24, 2008, by Craig Swain of Leesburg, Virginia.





