The Revolutionary Junta of Iquique (Spanish: Junta Revolucionaria de Iquique) (April 13, 1891 - December 26, 1891), was the political structure that was established by the Chilean Congress and Admiral Jorge Montt to challenge the power of Chilean President José Manuel Balmaceda after the navy insurrection that started the 1891 Chilean Civil War.[1]: 190 The junta ruled the country until Admiral Jorge Montt assumed power as the new president after Balmaceda's defeat and suicide in September 1891.[1]: 191