Which war is referenced by the song "Halls of Montezuma"?

The song "Halls of Montezuma" specifically references the Mexican-American War, which occurred between 1846 and 1848. The title itself refers to the halls of the Montezuma II's palace, symbolizing the territorial gains the United States achieved during this conflict, which included the capture of Mexico City. The song is often associated with the United States Marine Corps, celebrating their role in this war and their historic battles.

The focus on the events and themes of the Mexican-American War captures the valor and the pivotal moments that influenced the expansion of the U.S. territory. This connection elevates the song as a piece of military heritage, which is vital for the identity and traditions of the Marine Corps, particularly highlighting their amphibious assault capabilities and willingness to engage in significant combat situations.