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Gregory IV (dec 20, 827 – jan 25, 844)

Description:

Rome, Papal States
101st
Subject and later the sovereign of the Papal States. Rebuilt the atrium of St. Peter's Basilica and in the newly decorated chapel. Transferred the body of Gregory I.

Added to timeline:

Date:

dec 20, 827
jan 25, 844
~ 16 years