Peter II of AragonPeter II of Aragon
- September 12 1213
), surnamed the Catholic
, was the king of Aragon
and count of Barcelona
He led the Christian forces to defeat the Moors at the Battle of Las Navas de Tolosa in 1212.
He died in September 12 1213 at the Battle of Muret in the help of his vassal, the count of Toulouse, during the crusade against the Albigensians.