A group of devout Muslims from across Turkey prayed before the city’s historic Hagia Sophia on the 562nd anniversary of the Turkish conquest of Istanbul, demanding that the site be turned back into a mosque. Men and women from across the country gathered before the Hagia Sophia museum early May 31, as part of an event organized by the Anatolian Youth Association (AGD) with the motto “Break the chains, Open Hagia Sophia,” and prayed the morning prayer with a call for the reconversion of the museum into a mosque. Designed as a Christian basilica in the sixth century by Anthemios...