Title: Porto Alegre, memória dos sítios farrapos e da administração de Caxias
Subjects: History, State of siege, Sieges
Places: Brazil, Porto Alegre, Porto Alegre (Brazil), Rio Grande do Sul (Brazil)
People: Luís Alves de Lima e Silva Caxias Duque de (1803-1880)
Time periods: 19th century, Revolution of the Farrapos, 1835-1845