In 1137, it joined with Catalonia and in 1238 it conquered Valencia.
The barony of Ribagorza led the remnants of its aristocracy in a revolt against Phillip II in 1591, but popular support of the royals ended the war and led to the flight of Antonio Perez. It arose as an independent state in 1035, when Ramiro I broke away from Navarre. It incorporated Sobrarbe and Ribagorza and eventually conquered Zaragoza under the rule of Alfonso I. In 1137, it joined with Catalonia and in 1238 it conquered Valencia. Following the Sicilian Vespers, it took control of Sicily and Sardinia, and after a long war added Naples to its holdings. For 10 points, name this name this kingdom which, in 1479, joined Castile through the marriage of Ferdinand to Isabella.
The barony of Ribagorza led the remnants of its aristocracy in a revolt against Phillip II in 1591, but popular support of the royals ended the war and led to the flight of Antonio Perez.
{Aragon}