Ottoman_Empire
Iraq
Shia_Islam
Ali
Abbasid_Caliphate
Umayyad_Caliphate
Saladin
Muslim_conquest_of_Persia
Harun_al-Rashid
Ayyubid_dynasty
Ibn_al-Haytham
Ashura
Ahmad_ibn_Hanbal
Salman_the_Persian
Sa'd_ibn_Abi_Waqqas
Jarmo
Ziryab
Umm_al-Qura_Mosque
Mosque_of_Salman_al-Farsi
Al-Rahman_Mosque,_Baghdad