Council of Chalcedon Timeline

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  • 325 CE
    Roman Emperor Constantine I calls the Council of Nicaea.
  • 381 CE
    The First Council of Constantinople adds to Nicene Creed.
  • 431 CE
    First Council of Ephesus.
  • 439 CE
    Second Council of Ephesus.
  • 8 Oct 451 CE - 1 Nov 451 CE
    Fourth Ecumenical Council takes place in Chalcedon, determining that Jesus Christ had two distinct natures and wills, perfectly united.
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