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451 BCE
Council of Chalcedon defined human and divine natures of Chris in one person
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445 BCE
Emp. Valentinian III acknowledges papal supremacy
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431 BCE
Council of Ehesusn defined Mary to be mother of god
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430 BCE
St Augustine dies
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418 BCE
Franks take Gaul
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410 BCE
Visigoths sack rome under king Alaric