In 929, the eighth Umayyad ruler of al-Andalus, ʿAbd al-Rahman III (r. 912–61) formally assumed the exclusive caliphal prerogatives of khuṭba and sikka. After nearly two centuries of independent Umayyad rule in the Iberian peninsula, ʿAbd al-Rahman III issued a circular to his governors directing them to address him forthwith as amīr al-muʾminīn, or Commander of the Faithful, and to ensure that the khuṭba, or Friday sermon, in every congregational mosque invoked his name with this designation. With this he reclaimed the Umayyad dynasty's rights to the caliphal title: “We have understood that to continue not to use this title, which is incumbent upon us, is to allow one of our rights to decay and a firm designation to become lost.” Later the same year, he established a mint in Cordoba and ordered the striking of gold dinars in his name (sikka), resuming the minting of gold coins in al-Andalus, which had been suspended since the overthrow of the Umayyad caliphate in Syria.