Mexican Revolution By hfederow Nov 20, 1910 Fransico Madero Declares Armed Insurrection May 21, 1911 Porfirio Diaz Leaves for Europe Nov 1, 1911 Madero Becomes President Feb 1, 1913 General Victoriano Huerta Becomes President Apr 22, 1914 U.S. Troops Occupy Veracruez Aug 20, 1914 Venustiano Carranza Becomes President Mar 9, 1916 Pancho Villa Attacks Colombus, New Mexico Mar 15, 1916 General Pershing Invades Mexico Jan 1, 1917 Zimmerman Telegraph Feb 5, 1917 Constitution of 1917 approved May 1, 1920 Obregon Overthrows Carranza
