In the reign of Ivan the Terrible The Sevsky Kremlin was fortified, garrison reinforced by guard Cossacks, who created a Cossack sloboda here. In the middle of the 17th century a Sev fortress was included in the system of newly created defensive guards along the south-western borders. The convenient location contributed to the creation of a strong fortress here, which played a significant role in the history of Russia. Sevsk was known as a major shopping center not only in Russia, but also in the West. In 1634, the &lt;a href="siege%20of%20Sevsk%20/%20defense%20of%20Sevsk"&gt;siege of Sevsk / defense of Sevsk&lt;/a&gt; from the Poles played an important role in ending the The Smolensk War. After 1683 and the city grew many times at the expense of streltsy and other service people, sent here from Moscow after &lt;a href="Streletsky%20Revolt%20%281682%29/%20streltsy%20riots"&gt;Streletsky Revolt (1682)/ streltsy riots&lt;/a&gt;. At the end of the XVII century, a silver coin was minted in Sevsk for Ukrainian territories that became part of Russia — Sevsk Czechs. In 1687 at Sevsk, the 32nd Chernihiv Colonel] was beheaded Grigory Samoilovich (son of hetman a Ivan Samoilovich).