Battle of Beaver Dam Creek strategic debacle and the unraveling of the Peninsula Campaign. McClellan began to withdraw his army to the southeast and never regained the initiative. The next day the Seven Days Battles continued as Lee attacked Porter at the Battle of Gaines's Mill. Battle of Beaver Dam Creek The Battle of Beaver Dam Creek, also known as the Battle of Mechanicsville or Ellerson's Mill, took place on June 26, 1862, in Hanover County, Virginia, as the first major engagement of the Seven Days Battles during the Peninsula Campaign of the American Civil War. It was the start of Confederate General Robert E.
Battle of Cabin Creek Union supply convoy led by Colonel James Monroe Williams. Williams was alerted to the attack and, despite the waters of the creek being swelled by rain, made a successful attack upon the entrenched Confederate position and forced them to flee. The battle was the first in which African American troops fought side-by-side with their white comrades. Colonel James M. Williams had charge of the escort of a Union supply train from Fort Scott, Kansas to Fort Gibson, Oklahoma (which was then in Indian Territory). His force marched along the Texas Road and consisted of detachments of the 2nd Colorado Infantry