The fourth Lateran council (twelfth ecumenical), convened by Pope Innocent III.
- [ED.] By consenting to this, the synod indirectly acknowledged that its previous sessions had not possessed an ecumenical character, and also that Gregory's predecessors, up to Urban VI., had been legitimate popes.
convoked an ecumenical council at Ephesus, to which Celestine sent his legates.
Among these numerous synods the most prominent are those which the tradition of the Roman Catholic church has classed as ecumenical councils.
The fifth Lateran council (eighteenth ecumenical) was convened by Pope Julius II.