ca. 429: Palace of Antiochus built
early 7th c.: the northeast section of the palace converted to the church of Hagia Euphemia. Translation of the relics of Euphemia of Chalcedon in Constantinople
under Constantine V (741-775): the church allegedly secularized
ca. 797: restoration of the church
late 13th c.: fresco cycle of the life and martyrdom of saint Euphemia added in the southwest section of the church
1939: the structure rediscovered in Istanbul
1942: A.M. Schneider begins excavations at the site