History · Anniversaries
1575th anniversary: The Council of Chalcedon, a Christian ecumenical council, opened, and went on...
Thu, October 8, 2026
32 days ago
In 451, The Council of Chalcedon, a Christian ecumenical council, opened, and went on to repudiate the Eutychian doctrine of monophysitism and set forth the Chalcedonian Creed.
Also on Oct 8, 2026
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 1575 years (451 to 2026).
- Recurs
- annual
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- Changes
- None recorded.