November 23 - King Alfonso X of Castile (d. 1284)

At the end of the year, King Alfonso X of Castile was forced to sign a peace treaty with the Muslims.

Under King Alfonso X of Castile, Toledo rose even higher in importance as a translation center.

Pola de Siero was founded by a charter of King Alfonso X in 1270.

The castle was erected as a fortified church by King Alfonso X of Castile.

He was a descendant of King Alfonso X of Castile.

Alfonso's grandfather, King Alfonso X of Castile, established a division of his realm.

On May 31, 1255, King Alfonso X of Castile promotes the village to town status.

On 4 April 1284, King Alfonso X of Castile died in the city of Seville.

King Alfonso X the Wise explains the reason for its construction in these terms: