You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Chihuahua_(state)

Context:
The end of the Porfiriato came in 1910 with the beginning of the Mexican Revolution. Díaz had stated that Mexico was ready for democracy and he would step down to allow other candidates to compete for the presidency, but Díaz decided to run again in 1910 for the last time against Francisco I. Madero. During the campaign Díaz incarcerated Madero on election day in 1910. Díaz was announced the winner of the election by a landslide, triggering the revolution. Madero supporter Toribio Ortega took up arms with a group of followers at Cuchillo Parado, Chihuahua on November 10, 1910.

Question:
The beginning of what ended the Porfiriato?

Mexican Revolution