Chile By Erica Mangold Sep 18, 1810 Date of Independence Oct 1, 1814 Spanish Troops Reconquer Chile in The Battle of Racagua. Feb 12, 1818 Declaration of Independence issued Sep 18, 1831 Joaquin Prieto was elected president Nov 22, 1855 Chilean code put into action Apr 5, 1883 Chile goes into war with Peru and Bolivia in The War of The Pacific. Aug 15, 1914 The Panama Canal opens Dec 24, 1932 Arturo Alessandri is put into office Sep 2, 1945 War of the Pacific ends Aug 8, 1991 Mount Hudson erupts and is one of the biggest volcanic eruptions.