Third Council of Constantinople

Date: November 7, 680 • Location: Istanbul, Turkey

The Third Council of Constantinople, counted as the Sixth Ecumenical Council by the Eastern Orthodox and Catholic Churches, and by certain other Western Churches, met in 680–681 and condemned monoenergism and monothelitism as heretical and defined Jesus Christ as having two energies and two wills.

This milestone marked a defining occurrence in Turkey's and world history, leaving an indelible imprint on societal development, international relations, and cultural memory. Its enduring ramifications continue to be examined and commemorated by historians and scholars across the globe.