 Roberts' style of preaching became the blueprint for new religious bodies such as Pentecostalism and the Apostolic Church.Islam is the largest non-Christian religion in Wales, with 24,000 (0.8 per cent) reported Muslims in the 2011 census.2 Glynrhondda Street in Cathays, Cardiff, is accepted as the first mosque in the United Kingdom founded by Yemeni and Somali sailors on their trips between Aden and Cardiff Docks.