sentences:  After the conquest of Constantinople in 1453, the church was assigned personally by Mehmed II to the "Kalenderi" sect of the Dervish.The Dervishes used it as a zaviye and "imaret" (public kitchen), and the building has been known since as "Kalenderhane" ().The Waqf (foundation) was endowed with several properties in Thrace, and many hamams in Istanbul and Galata.