3470735 Mexican-American War (1846-48), surrender of Veracruz, 1847 (engraving) by American School, (19th century); Private Collection; (add.info.: The Mexican?merican War, also known as the Mexican War, the U.S.?exican War or the Invasion of Mexico (Spanish: Intervencion estadounidense en Mexico, Guerra de Estados Unidos-Mexico), was an armed conflict between the United States of America and the United Mexican States from 1846 to 1848. ); Peter Newark Pictures.