The document discusses Emiliano Zapata and his role in the Mexican Revolution that began in 1910 against the dictatorship of Porfirio Díaz. It describes how Zapata, a leader of the Anencuilco people, joined forces with Francisco Madero to lead the Liberation Army of the South during the revolution. After Díaz fell, the revolution descended into civil war, culminating in a ten day siege in Mexico City known as La Decena Trágica that ended with the assassination of Madero.