On January 17, 1781, General Daniel Morgan executed a brilliant double-envelopment of Banastre Tarleton's elite British Legion at a backcountry cattle pasture, destroying over 80 percent of the force in one of the most tactically perfect battles of the Revolution. The stunning American victory at the Cowpens rejuvenated Patriot morale across the Southern Campaign and set Cornwallis on the road toward Yorktown.