United States Marine Corps A decade later, in the Mexican–American War (1846–1848), the Marines made their famed assault on Chapultepec Palace in Mexico City, which would be later celebrated as the "Halls of Montezuma" in the Marines' hymn. In the 1850s, the Marines would see further service in Panama and Asia, attached to Matthew Perry's East India Squadron on its historic trip to the Far East. The Marine Corps played a small role in the Civil War (1861–1865); their most prominent task was blockade duty. As more and more states seceded from the Union, about a third of the Corps' officers left the United
History of the United States Marine Corps Marines were disbanded in April. Although individual Marines stayed on for the few American naval vessels left, the last Continental Marine was discharged in September. In all, there were 131 Colonial Marine officers and probably no more than 2,000 enlisted Colonial Marines. Though individual Marines were enlisted for the few American naval vessels, the organization would not be re-created until 1798. Despite the gap between the disbanding of the Continental Marines and the establishment of the United States Marine Corps, Marines worldwide celebrate 10 November 1775 as the official birthday. This is traditional in Marine units and is similar to