Complex sentence: The four years of his reign were marked by crisis: some discontent arose from some appointments of bishops taken without consulting the synod, and from his attempt to move the Patriarchal See from Damascus to Beirut.
Split into simpler sentences: The four years of his reign were marked by crisis. Some discontent arose from appointments of bishops taken without consulting the synod, and from his attempt to move the Patriarchal See from Damascus to Beirut.