Islam arrived for the first time in the ninth century to the region, when Muslim Arabs raided the eastern Adriatic Sea. In the fifteenth century, Islam emerged as the majority religion during the centuries of Ottoman rule, though a significant Christian minority remained. After declaration of independence on November 28, 1912, the Albanian republican, monarchic and later the communist regimes followed a systematic policy of separating religion from official functions and cultural life. Albania never had an official state religion either as a republic or as a kingdom.