During the 17th–18th centuries, fortress of Azov played an extremely important role in geopolitics Russian state and Ottoman Empire. period “Azov sitting” (1637–1642) was base Don Cossacks, under Peter I (1696–1711) it provided Russia with control over basin gave access to Black Sea. Under terms Treaty Pruth, 1711 returned power Turkey. In 1736 recaptured by troops. finally passed 1774 Kuchuk-K...