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James I of Aragon founds the Kingdom of Valencia.

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James I of Aragon
King of Aragon from 1213 to 1276
James I the Conqueror was King of Aragon, Count of Barcelona, and Lord of Montpellier from 1213 to 1276; King of Majorca from 1231 to 1276; and King of Valencia from 1238 to 1276. His long reign of 62 years is not only the longest of any Iberian monarch, but one of the longest…Source: Wikipedia (CC BY-SA)
Kingdom of Valencia
State on the coast of Iberia (1238–1707)
The Kingdom of Valencia, located in the eastern shore of the Iberian Peninsula, was one of the component realms of the Crown of Aragon.Source: Wikipedia (CC BY-SA)