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People: Ferdinand IV of Castile
Topic: Byzantine Civil War of 1321-28
Location: Calais Nord-Pas-de-Calais France

Sergius, patriarch of Constantinople, seeks the support …

Years: 634 - 634

Sergius, patriarch of Constantinople, seeks the support of Pope Honorius for the Monothelitic formula adopted by Emperor Heraclius a decade earlier to end the controversy between Chalcedonian and Monophysite Christians.

Honorius, specifically rejecting the Chalcedonian teaching of two wills, declares in 634 in a letter to Sergius, that Christ's dual human and divine natures did indeed operate through a single will.