1-History.2-Shi'a in Baghdad.3-Causes of the Spread of Shi'a in Baghdad.3.1-Presence of Shi'a Imams and Scholars.3.2-Four Deputies.3.3-Shi'a Families.3.4-Naqibs.3.5-Buyid Dynasty.4-Shi'a Districts.4.1-Karkh.4.2-Sadr City.5-Shi'a Seminary of Baghdad.6-Sunni-Shi'a Clashes.7-Tombs and Shrines.8-Buratha Mosque.9-Gallery.10-References.