beautifully frescoed between 1200 and 1480, although marauding Turks defaced many of them in the 1550s. There are also a number of cave churches, including the grotto at Mellieħa, which is a Shrine of the Nativity of Our Lady where, according to legend, St. Luke painted a picture of the Madonna. It has been a place of pilgrimage since medieval times.
The Acts of the Council of Chalcedon record that in 451 AD, a certain Acacius was Bishop of Malta (Melitenus Episcopus). It is also known that in 501 AD, a certain Constantinus, Episcopus Melitenensis, was present at the Fifth Ecumenical Council. In 588 AD, Pope Gregory I deposed Tucillus, Miletinae civitatis episcopus, and the clergy and people of Malta elected his successor Trajan in 599 AD. The last recorded Bishop of Malta before the invasion of the Islands was a Greek by the name of Manas, who was subsequently incarcerated at Palermo.
Maltese historian, Giovanni Francesco Abela, states that following their conversion to Christianity at the hand of St. Paul, the Maltese retained their Christian religion, despite the Fatimid invasion. Abela's writings describe Malta as a divinely ordained "bulwark of Christian, European civilization against the spread of Mediterranean Islam". The native Christian community that welcomed Roger I of Sicily was further bolstered by immigration to Malta from Italy, in the 12th and 13th centuries.
For centuries, the Church in Malta was subordinate to the Diocese of Palermo, except when it was under Charles of Anjou, who appointed bishops for Malta, as did – on rare occasions – the Spanish and later, the Knights. Since 1808 all bishops of Malta have been Maltese. As a result of the Norman and Spanish periods, and the rule of the Knights, Malta became the devout Catholic nation that it is today. It is worth noting that the Office of the Inquisitor of Malta had a very long tenure on the island following its establishment in 1530: the last Inquisitor departed from
