The was a pivotal local synod convened in the Basilica of St. John Lateran to address the growing Monothelite heresy . Organized by the Roman papacy without imperial approval, it marked a rare instance of ecclesiastical defiance against the Byzantine Emperor. 1. Convocation & Context
St. Maximus the Confessor , a Constantinopolitan monk, was the intellectual architect of the council, drafting many of its canons and theological arguments. 2. Core Outcomes The was a pivotal local synod convened in the Basilica of St
The council was a direct response to the "Typos" (648) , an imperial decree by Emperor Constans II that forbade any discussion of whether Christ had one or two "wills" or "energies". but following his death
It was originally planned by Pope Theodore I , but following his death, his successor, Pope Martin I , formally convened it shortly after his own consecration in 649. Pope Martin I