The Treaty of Alcañices ( pt, Tratado de Alcanizes; es, Tratado de Alcañices) was made in

Alcañices Alcañices ( pt, Alcanizes) is a small town in the province of Zamora, Spain. It is very close to the Portugal-Spain border, not far from the Portuguese town of Bragança. In fact, the Village is especially remembered for being the seat of the T ...

between King

Denis of Portugal Denis (, ; 9 October 1261 – 7 January 1325 in Santarém), called the Farmer King (''Rei Lavrador'') and the Poet King (''Rei Poeta''), was King of Portugal. The eldest son of Afonso III of Portugal by his second wife, Beatrice of Castile, and ...

and King

Fernando IV of Castile Ferdinand IV of Castile (6 December 1285 – 7 September 1312) called the Summoned (''el Emplazado''), was King of Castile and León from 1295 until his death. His upbringing and the custody of his person were entrusted to his mother, Queen Mar ...

in 1297. Denis was the grandson of King

Alfonso X of Castile Alfonso X (also known as the Wise, es, el Sabio; 23 November 1221 – 4 April 1284) was King of Castile, León and Galicia from 30 May 1252 until his death in 1284. During the election of 1257, a dissident faction chose him to be king of Ger ...

and essentially an administrator and not a warrior king. He went to war with the kingdom of Castile in 1295, relinquishing the villages of

Serpa Serpa () is a city and a Concelho (municipality) in the central Portuguese region Alentejo. The population in 2011 was 15,623, in an area of . The Guadiana River flows close to the town of Serpa. History Serpa has its origins in early settle ...

and Moura, but gained Olivença and reaffirmed Portugal’s possession of the

Algarve The Algarve (, , ; from ) is the southernmost NUTS II region of continental Portugal. It has an area of with 467,495 permanent inhabitants and incorporates 16 municipalities ( ''concelhos'' or ''municípios'' in Portuguese). The region has it ...

and defined the modern

borders A border is a geographical boundary. Border, borders, The Border or The Borders may also refer to: Arts, entertainment and media Film and television * ''Border'' (1997 film), an Indian Hindi-language war film * ''Border'' (2018 Swedish film), ...

between the two Iberian countries. The treaty also established an alliance of friendship and mutual defense, leading to a peace of 40 years between the two nations. Fernando then married Denis's daughter, Infanta Constance of Portugal, making her Queen of Castile.

References

{{DEFAULTSORT:Treaty of Alcanices Alcanices Treaties of the Kingdom of Portugal Treaties of the Crown of Castile History of the province of Zamora