Presidential elections were held in Portugal on 22 July 1951, five years earlier than scheduled due to the death of President Óscar Carmona on 18 April 1951.
Francisco Craveiro Lopes won the election unopposed after Manuel Quintão Meireles withdrew, while Rui Luís Gomes was removed from the ballot after being declared a communist by the Salazar dictatorship.
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Text from the Wikipedia article “1951 Portuguese presidential election”, available under CC BY-SA 4.0.