Sidi Yahya Mosque - Credit: Wikimedia Commons
The Sidi Yahya Mosque (; French: Mosquée Sidi Yahya), also known as the Mosque of Muhammad-n-Allah, is a mosque and madrasa of Timbuktu in Mali. The construction of the mosque began in 1400 under the leadership of Sheikh el-Mokhtar Hamalla of Timbuktu and was finished in 1440. Read more on Wikipedia
Source: en.wikipedia.org