 Historical records indicate that Drake had promised to return the liberated galley slaves, and the English government did ultimately repatriate about 100 of them to the Ottoman realms.Significant waves of Turkish immigration to the United States began during the period between 1820 and 1920.About 300,000 people immigrated from the Ottoman Empire to the United States, although only 50,000 of these immigrants were Muslim Turks whilst the rest were mainly Arabs, Azeri, Armenians, Greeks, Jews and other Muslim groups under the Ottoman rule.