Denmark–Portugal relations refers to the current and historical relations between Denmark and Portugal. Denmark has an embassy in Lisbon. Portugal has an embassy in Copenhagen. Both countries are members of the European Union and NATO. In 1984, Queen Margrethe II visited Portugal. In 2008, Danish exports to Portugal amounted 2,5 billion DKK, and Portuguese exports to Denmark amounted 2,3 billion DKK.
In 1701 to 1714, Denmark and Portugal fought against each other in the War of the Spanish Succession. In the Napoleonic Wars, Denmark joined France in the war against the United Kingdom, Austria, Spain and Portugal.
On 14 December 1896, a treaty was signed between Denmark and Portugal, establishing diplomatic relations.
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- Government of Denmark and Government of Portugal (14 December 1896). "Declaration supplementing provisionally the Declaration of December 14th, 1896, regarding Commercialand Maritime Relations between the two Countries" (PDF). United Nations Treaty Series. United Nations. Archived from the original (PDF) on 28 July 2011. Retrieved 21 February 2011.
Norman Berdichevsky. "Sibling Rivalry and the Discovery of America; Was Portuguese-Danish Cooperation Involved?" (PDF). PortVitoria: 7. ISSN 2044-8236. Retrieved 20 November 2011.