Political map of South American nations 23 May 1900 (Thousand Days' War): Long unstable, Colombia collapsed into civil war in 1899, when the Liberal Party (Colombian Liberal Party) revolted against the ruling Conservative Party (Colombian Conservative Party)'s rigging of elections and suppression of opposition. Although the Conservatives won this Thousand Days' War (Thousand Days War) in 1902, resentment remained in much of the country and in Panama in particular.