In this article we cross the theoretical connections that can be established between Bakhtin Circle dialogism and some aspects of the discourse theory of Michel Pêcheux, considering the reading of both made by Jacqueline Authier-Revuz in the frame of her proposal about enunciative heterogeneities. We also try to describe the senses of the word "revolução" in O Globo and Folha de S. Paulo related to the Brazilian coup d'état of March 31st, 1964 and compare it to what happened in the Argentinean press with the word "revolución" facing the military coup of June 28th, 1966.
Dialogism; Heterogeneity; Revolution; Brazilian and Argentine coup discursivities