Original: 1910 & ndash ; Mexican Revolution : Francisco I. Madero issues the Plan de San Luis Potosi , denouncing President Porfirio Díaz , calling for a revolution to overthrow the government of Mexico , effectively starting the Mexican Revolution .
Simplified: 1902 - Henri Desgrange and fellow journalist Géo Lefèvre dream up the idea of the Tour de France over lunch at the Cafe de Madrid in Paris .