Kingdom of Castile

State · 961–1235 CE · at its largest around 1099 CE

Christian kingdom of central Iberia that grew out of a county of León, became a leading power of the Reconquista, and was permanently united with León in 1230.

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).
El Cid (c. 1043 CE – 1099 CE): Castilian knight Rodrigo Díaz de Vivar, who fought for Christian and Muslim rulers and conquered Valencia in 1094; hero of the Cantar de mio Cid.
Valladolid (1072 CE): Capital of Crown of Castile (1236–1515), Pro-Habsburg Spain (1702–1708).
Santiago de Compostela Cathedral (1075 CE): Romanesque cathedral begun in 1075 over the reputed tomb of Saint James, the goal of the Camino de Santiago pilgrimage.
Santiago de Compostela (c. 1111 CE): Capital of Kingdom of Galicia (1111–1125).
Guimarães (c. 1139 CE): Capital of County of Portugal (1139–1143).
Treaty of Zamora (1143 CE): Alfonso VII of León recognised Afonso Henriques as King of Portugal, establishing Portuguese independence.
Coimbra (c. 1147 CE): Capital of Kingdom of Portugal (1147–1256).