Castile and León History & Heritage Guide 2026

Historical timeline

Key moments that shaped Castile and León.

1. 1

   Hominid occupation at Atapuerca (UNESCO); some of the earliest known human remains in Europe discovered in the Sierra de Atapuerca caves near Burgos.

   Prehistoric (1.2 million–800 BCE)
2. 2

   Numantia (near Soria) was the capital of the Arevaci tribe; its 13-year siege by Rome (133 BCE) became a symbol of Iberian resistance.

   Celtiberian era (800–133 BCE)
3. 3

   Romans constructed major infrastructure: the Segovia Aqueduct (1st century CE), the Via de la Plata road (Mérida to Zaragoza), and the Las Médulas gold mines (UNESCO).

   Roman period (133 BCE–409 CE)
4. 4

   Meseta served as the core of the Visigothic Kingdom; Christian communities built early Romanesque churches across the region.

   Visigothic Kingdom (418–711 CE)
5. 5

   León became the first capital of a Christian kingdom in Iberia; the cathedral was built; the Camino de Santiago grew as a major pilgrimage route.

   Kingdom of León (910–1230 CE)
6. 6

   Castile emerged as a separate kingdom; Rodrigo Díaz de Vivar ('El Cid') became the most celebrated knight; Burgos was its capital.

   Kingdom of Castile (1065–1230 CE)
7. 7

   Fernando III united the two kingdoms under one crown; the merged kingdom became the most powerful in Iberia.

   Union of Castile and León (1230 CE)
8. 8

   One of the world's oldest universities was founded, making Salamanca a centre of European learning.

   University of Salamanca founded (1218 CE)
9. 9

   The gradual Christian reconquest of Iberia from Moorish rule was led from Castile and León; completed with the fall of Granada in 1492.

   Reconquista (722–1492 CE)
10. 10

    Marriage of Ferdinand of Aragon and Isabella of Castile united Spain; Valladolid became the de facto capital.

    Union of Spain (1469 CE)
11. 11

    Columbus's voyage to the Americas was funded by the Crown of Castile; Valladolid hosted the debates on the rights of indigenous people (Valladolid Controversy, 1550).

    Age of Exploration (1492–1600 CE)
12. 12

    Castile and León's political importance declined as Spain's capital moved to Madrid; the region experienced depopulation.

    Habsburg decline (17th–18th centuries)
13. 13

    The region largely fell under Nationalist control from the start; Salamanca became Franco's headquarters in the early war period.

    Spanish Civil War (1936–1939)
14. 14

    Castile and León became an autonomous community under Spain's 1978 Constitution, the largest in land area in the EU.

    Autonomous Community established (1983)

Historical sites

Places where Castile and León's past comes alive.