Kingdom of Aragon
State · 1015–1168 CE · at its largest around 1126 CE
Christian kingdom in the central Pyrenees that grew from a county under Ramiro I; Petronila's marriage to Ramon Berenguer IV joined it with Barcelona to form the Crown of Aragon.
On its lands while it lasted
- Reconquista (718–1492 CE): Centuries-long series of campaigns by Christian kingdoms to take the Iberian Peninsula from Muslim rule, ending with the fall of Granada in 1492.
- Albarracín (c. 1015 CE): Capital of Taifa of Albarracín (1015–1104).
More on Wikipedia.