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When was Hagia Sophia converted from a museum back into a mosque?
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Hagia Sophia
A bird's-eye view of Hagia Sophia on the shore of the Bosporus, Istanbul.
The Hagia Sophia was converted from a museum back into a mosque in 2020, following a decision by Turkish President Recep Tayyip Erdoğan.12
Prior to this, the building had functioned as a museum since 1935, after being secularized by the Turkish Republic’s first president, Kemal Atatürk, in 1934.12