King Pedro III of Aragon is proclaimed to be the new King of Sicily - a claim disputed by Charles of Anjou.

King Pedro III of Aragon forms an ambitious plan to attack the Kingdom of Sicily.

We take a look at succession issues confronted by the Kingdom of Navarre and the Kingdom of Aragon. 

King Alfonso X returns from his badly timed attempt to become the Holy Roman Emperor, only to see his kingdom plunged into a succession crisis.

While King Alfonso X is absent from the Iberian peninsula, Muhammad of Grenada invades Castile - leaving the kingdom scrambling to defend itself. 

King Alfonso X introduces a number of unpopular policies inside his realm, causing a rebellion to break out.

As peace settles over the Iberian peninsula, some of the Christian kings decide to journey to the Holy Land on crusade. 

The Kingdom of Grenada launches a large scale uprising against Castilian rule in 1264.

An increasingly frustrated King Alfonso attempts to extend Castilian territory into Navarre, Gascony and northern Africa.

We welcome a new ruler to the kingdoms of Leon and Castile - King Alfonso X.  This very ambitious monarch commences his reign by attempting to become the next Holy Roman Emperor.