The elites of these more populated provinces exerted more influence over the regencial government in Rio de Janeiro and, in order to keep prices low, demanded that importing taxes were lifted or lowered from the same goods produced in the neighboring countries such as Argentina and Uruguay.

[2] On the night of 18 September 1835, at a meeting attended by José Mariano de Mattos (a separatist politician), Gomes Jardim (cousin of Bento Gonçalves and future president of the Riograndense Republic), Antônio Vicente da Fontoura (an anti-separatist liberal), Pedro Boticário, Paulino da Fontoura (politician and brother of Vicente da Fontoura), Antônio de Sousa Neto (a loyalist at the time, but who already sympathized with republican ideals) and Domingos José de Almeida (a separatist politician and administrator in the future republican government), it was unanimously decided that within two days, on 20 September 1835, they would militarily take Porto Alegre and remove the provincial president Antônio Rodrigues Fernandes Braga.

With a small contingent of 20 men from the National Guard, under the command of major José Egídio Gordilho Barbuda, the second Viscount of Camamu, who had volunteered for the mission.

The rebel picket, armed with spears, charged against the loyalist troops and pursued them, wounding Camamu, who abandoned his horse, sword and helmet to save his own life.

The City Council, convened extraordinarily by Bento Gonçalves on September 21, swore in Marciano José Pereira Ribeiro, who was fourth in the general order of precedence of the vice-presidents of the Province, as the new provincial president.