It is currently agreed that the caliphate "disappeared" for two-and-a-half centuries, before being revived with the Treaty of Küçük Kaynarca, signed between the Ottoman Empire and Catherine II of Russia in 1774.
It is currently agreed that the caliphate "disappeared" for two-and-a-half centuries, before being revived with the Treaty of Küçük Kaynarca, signed between the Ottoman Empire and Catherine II of Russia in 1774.