 On 19 February 1860 , he founded and became the first and only president of the Historic and Geographic Institute of the Province of São Pedro ( as Rio Grande do Sul was also known ) . The institute was short @-@ lived , lasting from 1860 until 1864 . In 1862 , Porto Alegre was among the Liberals who , along with dissident Conservatives , founded the Liga <unk> ( Progressive League ) , which replaced the Liberal Party . He became Minister of War on 24 May as a member of the first Progressive cabinet , headed by Zacarias de Góis e Vasconcelos . However , the cabinet fell after a vote of no confidence six days later . When the Chamber of Deputies was dissolved in 1863 and new elections were called , he was elected and served until 1866 . 
