The Battle of Mine Creek, also known as the Battle of the Osage, was a battle that occurred on October 25, 1864 in Kansas as part of Price's Raid during the American Civil War. In one of the largest cavalry engagements of the war, two divisions of Major General Sterling Price's Army of Missouri were routed by two Federal brigades under the command of Colonels Frederick Benteen and John Finis Philips. This battle was the second of three fought between Price and the Federals on this day; the first had been earlier that morning at Marais des Cygnes a few miles away, while the third would be fought a few hours later at the nearby Marmiton River. Although vastly outnumbered, Union forces won all three engagements, forcing Price out of Kansas and sealing the fate of his disastrous Missouri campaign.

• http://en.wikipedia.org/wiki/Battle of Mine Creek