Presidential elections were held in Colombia on 31 May 1998, with a second round on 21 June. Although Horacio Serpa of the Liberal Party received the most votes in the first round, the result was a victory for Andrés Pastrana Arango of the Great Alliance for Change, who received 50.3% of the vote in the run-off.
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Text from the Wikipedia article “1998 Colombian presidential election”, available under CC BY-SA 4.0.