Indigenous peoples of the Americas Smallpox killed from one third to half of the native population of Hispaniola in 1518. By killing the Incan ruler Huayna Capac, smallpox caused the Inca Civil War of 1529–1532. Smallpox was only the first epidemic. Typhus (probably) in 1546, influenza and smallpox together in 1558, smallpox again in 1589, diphtheria in 1614, measles in 1618—all ravaged the remains of Inca culture. Smallpox killed millions of native inhabitants of Mexico. Unintentionally introduced at Veracruz with the arrival of Pánfilo de Narváez on April 23, 1520, smallpox ravaged Mexico in the 1520s, possibly killing over 150,000 in Tenochtitlán (the heartland of
Mexican Special Forces (Marines). They are known to train with their American counterparts: the Navy SEALs, at the Naval Special Warfare Center in Coronado, California. Mexican Special Forces In Mexico both the Army and Navy have special forces groups or elite units. The Army has a Special Forces Corps unified command consisting of three Special Forces Brigades, a High Command GAFE (Grupo Aeromóvil de Fuerzas Especiales) group, a GAFE group assigned to the Airborne Brigade and several Amphibious Special Forces Groups. The Special Forces Brigades are formed by nine SF battalions. The First Brigade has the 1st, 2nd and 3rd SF Battalions, the