President of Alta California. However, Alvarado entered into negotiations with the Mexican government in 1838, which resulted in the disbandment of the Californio independence movement in favor of greater autonomy and the appointment of Alvarado as governor, thus reestablishing Mexican rule in Alta California, which lasted until 1846. Mexican governors of Alta California (1822–1836) President of Alta California (1836–1837) Following the appointments of unpopular governors Gutiérrez and Chico, Juan Bautista Alvarado successfully led a popular uprising of Californios in 1836 which deposed Gutiérrez, proclaimed the independence of Alta California from Mexico, and named Alvarado as its president. Alvarado maintained effective control over California until he entered into negotiations with the Mexican central government in 1837, which resulted in the disbandment of Alta Californian independence in favor of greater autonomy from the Mexican government and recognition of Alvarado as Governor of Alta California. Mexican governors of California (1837–46) While Juan Bautista Alvarado maintained effective control as President of Alta California from 1836 to 1837, the Mexican central government appointed noted Californio statesman Carlos Antonio Carrillo as Governor of California to lead the nationalist offensive against Alvarado. As Carrillo was unsuccessful, Alvarado and the Mexican central government negotiated an end to the civil war in Alta California, resulting in Alvarado's abandonment of independence in favor of greater autonomy and the governorship, thus reestablishing the continuity of Mexican governance over Alta California. American rule Following the American Conquest of California, forces part of the Pacific Squadron and California Battalion established U.S. military rule in California, beginning in 1846. Military governors ruled California until 1849, when efforts led by Bennet C. Riley led to the creation of the Constitution of California at the Constitutional Convention of Monterey and the establishment of civilian rule with the election of Peter Hardeman Burnett as the first Governor of California. Soon after, California was admitted as a state. U.S. military governors of California (1846–1849) See also Governor of California List of governors of California since 1850 The Californias Alta California References Bibliography External links 01 Governors California Governors . Governors Mexican California . es:Gobernadores de California antes de 1850#top