1030-1034: Romanos III Argyros erects the church of St. Mary Peribleptos. He is buried there after his death (1034)
1081: Nikephoros III Botaneiates is buried in the church
after 1261: the church is restored by Michael VIII Palaiologos
1403: the Spanish ambassador Ruy González de Clavijo visits the church
c. 1458 - 1643/4: seat of the Armenian Patriarchate, rededicated to St. George (Surp Kevork)
1782: Fire
1872: Fire
late 19th c.: the modern Armenian church of Surp Kevork is erected on the ruins of the Byzantine structure
1997-8: remaining substructure of the original Byzantine building surveyed and published