Presidential elections were held in Colombia on 1 May 1938.Dieter Nohlen (2005) Elections in the Americas: A data handbook, Volume II, p305 Eduardo Santos of the Liberal Party was the only candidate after the Conservative Party decided not to contest the elections, and received 100% of the vote.Nohlen, p351 Voter turnout was only 30.2%. Santos took office on 7 August.Nohlen, p358
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