 Complete the following phrase:  The first traces of Islam in the Netherlands date back to the 16th century. Ottoman and Persian traders settled in many Dutch and Flemish trading towns, and were allowed to practice their faith, although most of them belonged to the Jewish or Greek Orthodox community under the Sultan. The English traveler Andrew Marvell referred to the Netherlands as the place for Turk, Christian, heathen, Jew; staple place for sects and schisms due to the religious freedom and the large number of different religious groups there. References to the Ottoman state and Islamic symbolism were also frequently used within 16th century Dutch society itself, most notably in Protestant speeches called hagenpreken, and in the crescent-shaped medals of the Geuzen, bearing the inscription Rather Turkish than Papists. When Dutch forces broke through the Spanish siege of Leiden in 1574, they carried with them Turkish flags into the city. During the 