Tula Kremlin
…the "stone city", built in 1520 (1521). In 1552, was besieged by the Crimean khan Devlet I Giray. At that time, Tsar Ivan IV was with campaign against Kazan. Urban population fought before the arrival of reinforcements from the tsar's army from Kolomna. In memory of these events in the Tula Kremlin has been…