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 c. 1300. The Mandhry Mosque, built in 1570, has a minaret that contains a regionally specific ogee arch. This demonstrates that Swahili architecture was an indigenous African product and disproves assertions that non-African Muslims brought stone architecture to the Swahili Coast. During the pre-modern period, Mombasa was an important centre for the trade in spices, gold, and ivory. Its trade links reached as far as the Indian subcontinent and modern-day China and oral historians today can still recall this period of local history. History shows that there were trade links between Mombasa and Cholas of South India. Throughout the early