 
 <prompt> Wetin happun for di beginning of di 8th century wey lead to di rise of one city? Based on di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: By di mid-7th century, English and Irish missionaries waka go convert di Frisians. Di pope appoint their leader, Willibrordus, as bishop of di Frisians. Di time wey Willibrordus dey reign dey generally consider as di beginning of di Bishopric of Utrecht. For 723, di Frankish leader Charles Martel give di fortress for Utrecht and di land wey dey around am to di bishops. From dat time, Utrecht come be one of di most powerful seats of power for di Roman Catholic Church for Netherlands. Di archbishops of Utrecht dey based for di border wey dey shaky for di Carolingian Empire. Besides, di city of Utrecht dey compete with di nearby trading centre Dorestad. After Dorestad fall around 850, Utrecht come be one of di most important cities for Netherlands. Di importance of Utrecht as centre of Christianity dey show as dem elect di Utrecht-born Adriaan Florenszoon Boeyens as pope for 1522 (di last non-Italian pope before John Paul II). 