Timeline of Columbia By Luke Wells Aug 26, 1525 Spain colonizes Columbia https://www.mtholyoke.edu/~eklun20s/classweb/timeline.html Jul 20, 1810 Columbia gains independence https://en.wikipedia.org/wiki/Colombian_Declaration_of_Independence Mar 9, 1849 Liberal and Conservative parties created http://news.bbc.co.uk/2/hi/americas/1212827.stm Period: Oct 17, 1899 to Nov 21, 1902 War of Thousand Days' https://en.wikipedia.org/wiki/Thousand_Days%27_War Period: Apr 9, 1948 to May 10, 1957 Civil War https://www.mtholyoke.edu/~eklun20s/classweb/timeline.html Sep 5, 1958 Liberals and Conservatives ban all other parties and form the National Front https://www.mtholyoke.edu/~eklun20s/classweb/timeline.html Feb 24, 1982 President Belisario Betancur pardons guerrillas and frees political prisoners https://www.mtholyoke.edu/~eklun20s/classweb/timeline.html Jul 30, 1984 Campaign against drug cartel stepped up and assassination of justice minister http://news.bbc.co.uk/2/hi/americas/1212827.stm Mar 28, 1998 Andres Pastrana Arango elected president and begins peace talks with the guerrillas http://news.bbc.co.uk/2/hi/americas/1212827.stm Feb 12, 2006 Columbia and U.S. agree on free trade deal http://news.bbc.co.uk/2/hi/americas/1212827.stm