see more

circa 1915: Emiliano Zapata (1879 - 1919) leader of the agrarian rebels in South Mexico. (Photo by Hulton Archive/Getty Images)

circa 1915:  Emiliano Zapata (1879 - 1919) leader of the agrarian rebels in South Mexico.  (Photo by Hulton Archive/Getty Images)

see more

circa 1910: Mexican revolutionaries Pancho Villa and Emiliano Zapata (foreground) assemble with their army of peasants and farmers on horseback, Mexico. (Photo by Hulton Archive/Getty Images)

circa 1910:  Mexican revolutionaries Pancho Villa and Emiliano Zapata (foreground) assemble with their army of peasants and farmers on horseback, Mexico.  (Photo by Hulton Archive/Getty Images)

see more

Emiliano Zapata (1879 - 1919) leader of the agrarian rebels in South Mexico. (Photo by Topical Press Agency/Getty Images)

Emiliano Zapata (1879 - 1919) leader of the agrarian rebels in South Mexico.   (Photo by Topical Press Agency/Getty Images)

see more

2nd January 1915: Mexican revolutionaries Pancho Villa (1877 - 1923) (C; L) and Emiliano Zapata (1879 - 1919) (C; R) sit with Tomas Urbina (left) and Otilio Montano (right). (Photo by Hulton Archive/Getty Images)

2nd January 1915:  Mexican revolutionaries Pancho Villa (1877 - 1923) (C; L) and Emiliano Zapata (1879 - 1919) (C; R) sit with Tomas Urbina (left) and Otilio Montano (right).  (Photo by Hulton Archive/Getty Images)