Mexican Independence By Madison Buckley Oct 9, 1910 War Begins The Mexican Revolution broke out in 1910 when the decades-old rule of President Porfirio Díaz was challenged by Francisco I. Madero. Oct 9, 1911 Diaz Deposed Oct 9, 1917 Constitution Drafted Oct 9, 1920 Alvaro Obregon Rises to Power Dec 9, 1920 War Ends