The Mexican Revolution was sparked by widespread discontent with the decades-long dictatorship of President Porfirio Diaz, whose rule concentrated power and wealth among a small elite. Younger generations and reformers like Francisco Madero demanded democratic reforms and an end to Diaz's manipulation of elections to stay in power indefinitely. Madero's "Plan of San Luis Potosi" in 1910 called on Mexicans to rise up in armed revolution on November 20th to overthrow Diaz and establish democracy. This launch of the revolution succeeded in driving Diaz into exile in under a year, and elections were held that brought Madero to the presidency.