of Marrakech. 1384: Abu al-Abbas is temporarily removed by the Nasrids. The Nasrids replace him with Abu Faris Musa ibn Faris, a disabled son of Abu Inan Faris. This ensures a kind of interim during the reign of Abu al-Abbas Ahmad from 1384 to 1386. 1384: Abu Zayd Abd ar-Rahman reigns over the Kingdom of Marrakech from 1384 to 1387 while the Marinid throne is still based in Fes. 1386: Al-Wathiq ensures the second part of the interim in the reign of Abu al-Abbas from 1386 to 1387. 1387: Abu Al-Abbas begins to give vizirs more power. Morocco knows six years of peace again, although Abu Al-Abbas benefits from this period to reconquer Tlemcen and Algiers. 1393: Abu Al-Abbas dies. Abu Faris Abd al-Aziz ibn Ahmad is designated as the new sultan. The troubles which follow the sudden death of Abu Al-Abbas in Taza make it possible for the Christian sovereigns to carry the war into Morocco. 1396: Abu Amir Abdallah succeeds to the throne. 1398: Abu Amir dies. His brother, Abu Said Uthman ibn Ahmad, takes power. 1399: Benefitting from the anarchy within the Marinid kingdom, king Henry III of Castile arrives in Morocco, seizes Tetouan, massacres half of the population and reduces the rest to slavery. 1415: King John I of Portugal seizes Ceuta. This conquest marks the beginning of overseas European expansion. 1418: Abu Said Uthman besieges Ceuta but is defeated. 1420: Abu Said Uthman dies. He is replaced by his son, Abu Muhammad Abd al-Haqq, who is only one year old. 1437: Failure of a Portuguese expedition to Tangier. Many prisoners are taken and the infant Fernando, the Saint Prince is kept as a hostage. A treaty is made with the Portuguese enabling them to embark if they return Ceuta. Fernando is kept as a hostage to guarantee the execution of this pact. Influenced by Pope Eugene IV, Edward of Portugal sacrifices his brother for national trade interests. 1458: King Afonso V of Portugal prepares an army for a crusade against the Ottomans in response to the call of Pope Pius II, but he instead uses the army to attack a small port located between Tangier and Ceuta. 1459: Abu Muhammad Abd Al-Haqq revolts against his own Wattasid vizirs. Only two brothers survive, who will become the first Wattasid sultans in 1472. 1462: Ferdinand IV of Castile takes over Gibraltar. 1465: Abu Muhammad Abd Al-Haqq appoints