The First Council of Nicaea, convened in 325 AD by Emperor Constantine, was a landmark ecumenical gathering. It sought to unify Christian doctrine, famously producing the Nicene Creed and addressing the Arian heresy.
The First Council of Nicaea, convened in 325 AD by Emperor Constantine, was a landmark ecumenical gathering. It sought to unify Christian doctrine, famously producing the Nicene Creed and addressing the Arian heresy.