Mombasa travels to the Swahili Coast and made some mention of the city, although he only stayed one night. He noted that the people of Mombasa were Shãfi'i Muslims, religious people, trustworthy and righteous. Their mosques are made of wood, expertly built. The exact founding date of the city is unknown, but it has a long history. Kenyan school history books place the founding of Mombasa as 900 A.D. It must have been already a prosperous trading town in the 12th century, as the Arab geographer Al Idrisi mentions it in 1151. The oldest stone mosque in Mombasa, Mnara, was built
Mombasa of great learning and so is connected more directly with the present ideals of Swahili culture that people identify with Mombasa. The ancient history associated with Mwana Mkisi and Shehe Mvita and the founding of an urban settlement on Mombasa Island is still linked to present-day peoples living in Mombasa. The Thenashara Taifa (or Twelve Nations) Swahili lineages recount this ancient history today and are the keepers of local Swahili traditions. Most of the early information on Mombasa comes from Portuguese chroniclers writing in the 16th century. The famous Moroccan scholar and traveller Ibn Battuta visited the area during his