Timeline Worksheet: December 15, 1989, Chile Facts On December 15, 1989, an election ended the military dictatorship of General Augusto Pinochet in Chile. Try this free printable quiz and see how much you know about this South American country. Timeline Worksheet: December 15, 1989, Chile Facts * Blank printable timeline index card Printable timeline index card (Fits South American history timeline.) If you are new to this series, visit my introduction to timeline index cards. Return to the Timeline-AD.