Commemoration plaque to the Batallón de San Patricios, Placa en honor a los soldados irlandeses, who fought on the side of Mexico during the unjust American invasion of Mexico 1846-48. It lists 71 names of those captured, killed, or executed by the Americans in 1847. In all, 50 Saint Patrick’s battalion members were officially executed by the U.S. Army. Collectively, this was the largest mass execution in United States history. The plaque is displayed on a wall of the Plaza San Jacinto, San Ángel quarter, Mexico City, and was erected in 1959 in gratitutde by the Mexican State.