Should a method of reconciliation and mutual toleration still remain undiscovered, then, in consideration that the whole Christian world was interested in composing these dissensions, it was proposed that a "Synodal assembly of all Christendom," a Protestant oecumenical council, should in some solemn manner be convoked.
"Project Gutenberg History of The Netherlands, 1555-1623, Complete"
John Lothrop Motley
History has a great deal to tell about his legations in the name of the Emperor, his treaties with the Confederates, his Synodal constitutions, his ordinances and his pastoral letters.
"The Life and Times of Ulric Zwingli"
Johann Hottinger
The council then heard a sermon, and the Holy Father intoned the Synodal prayers, which were followed by the Litany of the Saints.
"Pius IX. And His Time"
The Rev. Æneas MacDonell Dawson