Chilean Army The army was actively involved in the Independence War, which was fought against royalist troops in battles such as Yerbas Buenas, San Carlos, Quechereguas, Rancagua, Chacabuco and Maipú. During this period, national figures such as José Miguel Carrera, Bernardo O'Higgins and Argentinian General José de San Martín commanded the army toward definitive victory over the Spanish forces, ultimately achieving independence for the country. The Army's first commander-in-chief was José Miguel Carrera. After obtaining independence from Spain, the newly formed Republic reorganized its military structure by creating the Military Academy of Chile, which was founded by General O'Higgins in 1817. Diego
José Bernardo de Tagle y Portocarrero, Marquis of Torre Tagle member of the triumvirate under José de La Mar. In January 1823, the congress appointed him president, but a military mutiny deposed him and proclaimed José de la Riva Agüero president on 28 February. After the deposition of Riva Agüero and his retreat to Trujillo, Torre Tagle was appointed president by Antonio José de Sucre on 20 July, and elected by the congress on 16 August, and Bolivar, who on his arrival 1 September had been proclaimed dictator, left him in charge of the government. During his tenure, the Peruvian flag, which had been established by José de San Martín,