Al-Omari Grand Mosque
Beirut, Lebanon
The Al-Omari Grand Mosque, known as Jami' Al-Kabir, is a Sunni Islam mosque, located in the central district of Beirut, in Lebanon. The building has been a place of worship including its original use as a Roman temple, and subsequently as a Roman church during the Byzantine era, it was re-built in 635 ACE during the reign of Islam's second caliph, Umar Bin El Khattab and named in his honor, this mosque was eventually conquered and converted into a Crusader church, before Beirut was conquered by Mamluk Egypt and it was re-converted into a mosque.
Mosque data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).