Gregory IV
795–844
Pope and bishop of Rome from 827 to 844
writer · Catholic priest
Born in Rome
Contemporaries
People who walked the earth at the same time as Gregory IV:
- Charlemagne (742–814)
- Muḥammad ibn Musa al-Khwarizmi (780–850)
- Abu Nuwas (756–814)
- Jabir ibn Hayyan (721–815)
- Ādi Shankara (788–820)
- Harun al-Rashid (766–809)