The 11th Infantry participated in the following: Battle of Cerro Gordo, the Battle of Contreras, the Battle of Churubusco, the Battle of Molino del Rey (Lieutenant-Colonel William M. Graham, Eleventh Infantry, whose regiment had participated actively in capturing Molinos del Rey, received two wounds, either of which was mortal, and fell at the head of his command while leading a charge against the northern angle of the buildings. A portion of his regiment, under Lieuts. Thomas F. McCoy and Benjamin F. Harley, was active in pursuit of the Mexicans after the attack on the Casa, Mata.), the Battle of Chapultepec and the Battle for Mexico City under command of Col. William Trousdale.