Note 744 — Chapter V · THAT THE WORLD TOOK ITS BEGINNING IN TIME.
Frederick Crombie translation
It was not until the third Synod of Toledo, A.D. 589, that the “Filioque” clause was added to the Creed of Constantinople,—this difference forming, as is well known, one of the dogmatic grounds for the disunion between the Western and Eastern Churches down to the present day, the latter church denying that the Spirit proceedeth from the Father and the Son.