325. The Ascension mentioned by Eusebius.
326. Death of St Helena at the age of 80, foundress of the churches at Bethlehem and on the Mount of Olives.
335. Consecration of the church built by Constantine in Jerusalem on 14th Sept. It was named Martyrium or Anastasis (Euseb., Vita Constant., 3, 25, and 35). The same day is also the Feast ὑψώσεως τοῦ τιμίου σταυροῦ.
340. Observance in Egypt of the fast of forty days mentioned by St Athanasius.
337-352. Under Pope Julius I., 25th Dec. kept at Rome as Festival of Christ’s Nativity.
354. In Rome, 22nd Feb. kept as Natale Petri de Cathedra, and 29th June as day of the Apostles’ death.
356. Translation of St Timothy’s relics to Constantinople on 1st July (Fasti Idat., Hieron. Chron.).
357. 3rd March, translation of relics of St Andrew and St Luke to the basilica of the Holy Apostles in Constantinople (Fasti Idat., Chron. Pasch. Hieron., catal. 7).
360. The Festival of the Epiphany in Gaul mentioned by Ammianus Marcellinus.