In 619, five years after the conquest of the Holy Land by Chosroes, Ancyra was taken and destroyed by the Persians, which compelled the monks of the neighbouring monastery of Attaline to leave their home, and to move from place to place.
Edward Walford, translator, The Ecclesiastical History of Evagrius: A History of the Church from AD 431 to AD 594, 1846.