Oldest emblem of the Portuguese Rowing Federation. Used until [19??]. The Portuguese Rowing Federation was founded in April 1920 on the occasion of the National Nautical Congress promoted, in the city of Porto, by the Associação Naval de Lisboa, Associação Naval 1º de Maio, Clube Fluvial Portuense, Clube Naval de Lisboa, Ginásio Clube Figueirense, Sport Algés and Dafundo and Sport Clube do Porto. The Federation has been affiliated since 1922 with the Fédération Internationale des Sociétés d’Aviron.