Francisco I. Madero is arrested in Monterrey and transferred to the City of San Luis Potosí.

First primary elections and then final federal elections take place throughout the Estados Unidos de México.

Extensive celebrations of the centenary of the Mexican War of Independence from Spain. Numerous international personages attend.

The Cámara de Diputados (Mexican legislature) declares Porfirio Díaz and Ramón Corral reelected president and vice president of Mexico.

Francisco I. Madero, imprisoned by the Mexican government, escapes and flees the city of San Luis Potosí. On this same day he releases the Plan de San Luis Potosí, which declares the elections null and void and calls for “no reelections” to be the law of the land. The plan calls for insurgency against Porfirio Díaz and the government in power and it sets 20 November 1910 as the date for a general uprising.