Event Factoid: Severus reqquired
the monastery of Mor Tumo
to erect a public declaration of the orthodox (non-Chalcedonian) faith.
Sources:
Ernest Walter Brooks,The Sixth Book of the Select Letters of Severus, Patriarch of Antioch, in the Syriac
Version of Athanasius of Nisibis. Translation, Part II: Letters III.1-XI.1, vol. 2.2 (London: Williams and Norgate, 1904), p: 376, part: VII.4.