First Synod of Tyre

The Synod of Tyre was a gathering of church dignitaries in the year 335

At the Synod of Tyre, the bishops Athanasius of Alexandria and Marcellus of Ancyra were sold. Eusebius of Nicomedia, a close confidant of Emperor Constantine and respected representatives of the Eastern Church dignitaries, was the driving force behind the condemnation of Athanasius. This was alleged to have been chosen wrongly, and also had to answer that one of his presbyters had vandaliert in a church. Marcellus, however, was convicted of his classified as heretical monarchianistischen views. Both bishops went into the western half of the empire, Athanasius to Trier.

The Synod of Tyre resulted because of the banishment of Athanasius to an increase in power of the Arian bishops, led by Eusebius. Due to the division of the Empire among the sons of Constantine the Great, the exiled bishops could seek shelter at the western emperor, making it long term came to a split in the Reichsepiskopats into an eastern and western part.