| Marciano José Pereira Ribeiro | |
| Office1: | President of Rio Grande do Sul |
| Term Start1: | 28 March 1836 |
| Term End1: | 15 June 1836 |
| Term Start2: | 21 September 1835 |
| Term End2: | 16 February 1836 |
| Predecessor2: | Antônio Rodrigues Fernandes Braga |
| Successor2: | Américo de Melo |
| Death Place: | São Gabriel, Rio Grande do Sul |
Marciano José Pereira Ribeiro (died 4 March 1840) was a Brazilian doctor and politician. He was the president of Rio Grande do Sul in two terms in 1835 and 1836.[1]
Originally from Minas Gerais, Ribeiro graduated from medicine in Edinburgh.[2] [3] A republican, he was a provincial deputy to the first provincial assembly of Rio Grande do Sul. He was also the assembly's first president and presided over its first convening.[4] He was the third vice president of Rio Grande do Sul when the Ragamuffin War commenced and the rebels, dubbed the farrapos, took the capital Porto Alegre.
Ribeiro was considered the most trustworthy of the vice presidents of the state at that time. For this, he was elected vice president by the rebels after the overthrowing of the previous president, Antônio Rodrigues Fernandes Braga.[5] During this time period, he had João Manuel de Lima e Silva as an advisor to the Commander of Arms provincial office.[6] [7] He was arrested in 1836, after the city had been taken by imperialist forces, and sent to Rio de Janeiro.[8] He escaped in 1840 and found his way back to Rio Grande do Sul, and to São Gabriel in particular, but by then his health had largely deteriorated. He died on 4 March 1840.
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