  the tenente revolts () of 1922 and 1924â27 were uprisings led by junior army officers (, , lieutenants) that contributed significantly to the brazilian revolution of 1930. ==background== the first decades of the 20th century saw marked economic and social change in brazil. with manufacturing on the rise, the central governmentâdominated by the coffee oligarchs and the old order of cafÃ© com leite and coronelismoâcame under threat from the political aspirations of new urban groups: professionals, government and white-collar workers, merchants, bankers, and industrialists. in parallel, growing prosperity encouraged a rapid rise in the population of new working class southern and eastern europe
20th-century_rebellions Rebellions_in_Brazil