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Gregory IV
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Christ as Ruler, with the Apostles and Evangelists (represented by the beasts). The female figures are believed to be either Santa Pudenziana and Santa Praxedes or symbols of the Jewish and Gentile churches. Mosaic in the apse of Santa Pudenziana, Rome,A
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Gregory IV

pope
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History

Gregory IV (born, Romeā€”died Jan. 25, 844, Rome) was the pope from 827 to 844. Cardinal priest of St. Markā€™s Basilica, Rome, he succeeded Valentine as pope and is chiefly remembered for his mediation in the Carolingian dynastic struggle between Lothar I, the co-emperor, and the emperor Louis the Pious, when his father Louis granted part of his kingdom to Lotharā€™s half-brother Charles the Bald. Reacting against this endowment, Lothar, whom Gregory supported, led a...

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