U.S.-Mexico Timeline
Evolution of Border Issues
1904 — To curtail undocumented entry of Asian andEuropean immigrants into the United States through Mexico, immigrationinspectors on horseback begin to patrol the United States-Mexican border. 1910–1917 — Spurred by discontent with thedictatorial regime of Mexican President Porfirio Díaz, regional animosities,and increasing economic inequality in the countryside, guerrilla armies fightthe Mexican Revolution, temporarily breaking the country into warring regions. 1914 — United States forces occupy the port city of Veracruz for seven months. 1916 — United States President Woodrow Wilson ordersGeneral John Pershing to capture guerrilla leader Pancho Villa after Villa’sattack on Columbus, New Mexico. For nine months, 4,000 American…