Mexican Revolution timeline.

Nov 20, 1910

Díaz refused to allow clean elections, then Madero's calls for revolution were answered by Emiliano Zapata in the south and Pascual Orozco and Pancho Villa in the north.
May 25, 1911

Profirio 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 Veracruz
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

The Zimmerman telegram
Feb 5, 1917

Constitution of 1917 Approved
May 1, 1920

Obregon overthrows Carranza

Díaz refused to allow clean elections, then Madero's calls for revolution were answered by Emiliano Zapata in the south and Pascual Orozco and Pancho Villa in the north.