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circa 1910: Don Venustiano Carranza (1859 - 1920), Mexican statesman. (Photo by Hulton Archive/Getty Images)

circa 1910:  Don Venustiano Carranza (1859 - 1920), Mexican statesman.  (Photo by Hulton Archive/Getty Images)

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Mexican President Venustiano Carranza (1859 - 1920) on horseback, circa 1915. (Photo by Paul Thompson/FPG/Getty Images)

Mexican President Venustiano Carranza (1859 - 1920) on horseback, circa 1915. (Photo by Paul Thompson/FPG/Getty Images)

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circa 1919: Venustiano Carranza (1859 - 1920), Mexican statesman and President of Mexico. (Photo by Hulton Archive/Getty Images)

circa 1919:  Venustiano Carranza (1859 - 1920), Mexican statesman and President of Mexico.  (Photo by Hulton Archive/Getty Images)

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1st December 1913: L to r; Captain Jose Carranza, Governor Venustiano Carranza (1859 - 1920) and an aide. Venustiano Carranza was the leader of the Constitutionalist forces in the revolution in Mexico and later became President. (Photo by Topical Press Agency/Getty Images)

1st December 1913:  L to r; Captain Jose Carranza, Governor Venustiano Carranza (1859 - 1920) and an aide. Venustiano Carranza was the leader of the Constitutionalist forces in the revolution in Mexico and later became President.  (Photo by Topical Press Agency/Getty Images)