Mexican Revolution accuracies/inaccuraci es (spoiler alert)
VIVA ZAPATA is riddled with historical inaccuracies right from the start, which is fairly typical of Hollywood at the time.
The motives and logistics of the players in Mexican Revolution are seriously truncated.
Zapata met with neither Porfirio Diaz, nor Francisco Madero in Mexico City as depicted in the film. (Diaz was the final word on land desputes between villagers and hacienda owners, and the system heavily favored the hacienda owners in these desputes).
Zapata had already had several military victories under his belt by the time Madero was triumphant, most significantly a triumph against Huerta's elite 'Golden Fifth' regiment at the Battle of Cuautla in 1911. The film makes no mention of this and depicts Zapata as reluctant to be named a leader.
Huerta did assassinate Madero, but not as dramatized in the film.