The Treaty of Ayllón was a peace treaty that was signed in 1411 in

Ayllón Ayllón () is a municipality located in the province of Segovia, Castile and León, Spain. According to the 2019 census (INE), the municipality had a population of 1,196 inhabitants. In 1411 a treaty, known as the Treaty of Ayllón, was signed ...

, Castile, between the

Kingdom of Portugal The Kingdom of Portugal ( la, Regnum Portugalliae, pt, Reino de Portugal) was a monarchy in the western Iberian Peninsula and the predecessor of the modern Portuguese Republic. Existing to various extents between 1139 and 1910, it was also kno ...

and the

Crown of Castile The Crown of Castile was a medieval polity in the Iberian Peninsula that formed in 1230 as a result of the third and definitive union of the crowns and, some decades later, the parliaments of the kingdoms of Castile and León upon the accessi ...

. Newitt, p. 21

References

Sources

* {{DEFAULTSORT:Treaty of Ayllon 1410s treaties Ayllon Treaties of the Crown of Castile 1411 in Portugal 1411 in Europe 15th century in Castile