Produced in Burgos, Castile, Spain, on August 30, 1334, Peter the Cruel was the Spanish king of Castile and Len, son and successor of Alfonso XI. He was charged by his contemporaries with unbelievable cruelty, but afterwards got the nickname “Peter the Lawful” when he was seen by historians as a powerful executor of justice. Peter started hisreignatthe age of 15. In 1356, he participated in endless wars with Aragon. He was killed by Henry, Du Guesclin on March 23, 1369, in Montiel, France.