Chile occupies Antofagasta, opening the nitrate warFeb 14, 1879Labels: Antofagasta, Chile militaryBritannica10 Centavos
Chile–Bolivia Truce Pact confirms Antofagasta controlApr 4, 1884Labels: Truce Pact, AntofagastaValparaiso TruceBritannica
Civil War ends; parliamentary era consolidates nitrate-financed politicsSep 19, 1891Labels: Civil War, Parliamentary EraBritannica1891 Civil War
Autonomous Commune Law reshapes local governanceDec 22, 1891Labels: Autonomous Commune, MunicipalitiesComuna Law
Chile and Bolivia sign 1904 Peace and Friendship TreatyOct 20, 1904Labels: 1904 Treaty, Bolivia1904 TreatyUS FRUS
Santa María School massacre highlights nitrate labor conflictDec 21, 1907Labels: Santa Mar, IquiqueSanta Mar aUNESCO Humberstone
First industrial ammonia plant signals synthetic-nitrate competitionSep 9, 1913Labels: Haber Bosch, BASFBASF BoschBASF 1913
January 1925 coup accelerates end of parliamentary regimeJan 23, 1925Labels: January 1925, Arturo Alessandri1925 Coup
1925 Constitution takes effect, strengthening presidential stateOct 18, 1925Labels: 1925 Constitution, Presidency1925 Constitution
María Elena nitrate works inaugurated with Guggenheim processNov 22, 1926Labels: Mar a, Guggenheim processMuseo AntofagastaArts Culture
Treaty of Lima settles Tacna–Arica disputeJun 3, 1929Labels: Treaty of, Tacna AricaTreaty of LimaBritannica
COSACH created to reorganize nitrate exports and productionJul 21, 1930Labels: COSACH, State interventionCOSACH