Liberal Party emerges in early Regency politicsJan 1, 1831Labels: Liberal Party, Regency BrazilBritannicaWikipedia
Abdication of Pedro I begins Regency eraApr 7, 1831Labels: Pedro I, Regency BrazilBritannicaBritannica
Additional Act expands provincial autonomyAug 12, 1834Labels: Additional Act, Provincial AssembliesBritannicaWikipedia
Conservative Party coalesces amid conservative reactionJan 1, 1836Labels: Conservative Party, Regressist ReactionWikipediaWikipedia
Feijó resigns, deepening Liberal–Conservative polarizationSep 19, 1837Labels: Diogo Feij, Regency CrisisBritannicaWikipedia
Interpretive Act recentralizes provincial administrationMay 1, 1840Labels: Interpretive Act, Central GovernmentWikipediaBritannica
Decree creates President of the Council of MinistersJul 20, 1847Labels: President of, Imperial CabinetWikipediaWikipedia
Praieira Revolt challenges Conservative dominance in PernambucoNov 6, 1848Labels: Praieira Revolt, PernambucoWikipediaUSP Journal
Eusébio de Queirós Law ends Atlantic slave tradeSep 4, 1850Labels: Eus bio, Slave TradeBritannicaWikipedia
Conciliation cabinet seeks cross-party stabilitySep 6, 1853Labels: Marquis of, Conciliation CabinetWikipediaWikipedia
Progressive League forms from Liberal–Conservative dissidentsMay 24, 1862Labels: Progressive League, Centrist CoalitionWikipediaWikipedia
League collapses as Conservatives return to powerJul 16, 1868Labels: Conservative Return, Zacarias MinistryWikipediaWikipedia
Law of Free Birth passes under Rio Branco ministrySep 28, 1871Labels: Rio Branco, Antislavery ReformBritannicaWikipedia
Religious Issue sparks major state–church political crisisMar 3, 1872Labels: Religious Issue, Church-State ConflictWikipediaBritannica
Saraiva Law introduces direct elections and voter registrationJan 9, 1881Labels: Saraiva Law, Electoral ReformWikipediaWikipedia
Sexagenarians Law passes after Dantas project crisisSep 28, 1885Labels: Sexagenarians Law, Dantas CrisisWikipediaNatl Library
Lei Áurea abolishes slavery, rupturing elite supportMay 13, 1888Labels: Lei urea, Princess IsabelBritannicaWikipedia
Republic proclaimed; Liberal and Conservative parties dissolvedNov 15, 1889Labels: Proclamation Republic, Military CoupBritannicaWikipedia