 In 1912, with the proclamation of universal male suffrage, by Giovanni Giolitti, the electoral base expanded greatly and it changed the political forces that were under the oligarchy.The years of World War I were administrated by mayor Giovanni Santini and Brugherio was always stocked with food supplies, while in the period of the so-called "Biennio Rosso" (1919-1920) took place violence between the Socialists and the Popular Catholics.The latter lost their absolute majority, due to the loosening of their trade union activities, and the last mayor elected at the polls, Marcello Gatti, had to manage the difficult transition from Liberalism to Fascism.