In the twentieth century , a movement for the canonization of `` FrÃ Savonarola '' began to develop within the Roman Catholic Church , particularly among Dominicans . Many believe that his excommunication and execution were not legal . In the twentieth century , a movement for the canonization of FrÃ Savonarola began to develop within the Roman Catholic Church , particularly among Dominicans , with many judging his excommunication and execution to have been unjust .