Russo-Swedish War, 1656-1658
...that, during the Russo-Swedish War, 1656-1658, the Russians had to lift their siege of Riga after foreign officers of the Russian flotilla had defected to the other side?
...that, during the <b id="mwB80"><a class="mw-redirect" href="./Russo-Swedish_War,_1656-1658" id="mwB84" rel="mw:WikiLink" title="Russo-Swedish War, 1656-1658">Russo-Swedish War, 1656-1658</a></b>, the <a href="./Russians" id="mwB88" rel="mw:WikiLink" title="Russians">Russians</a> had to lift their siege of <a href="./Riga" id="mwB9A" rel="mw:WikiLink" title="Riga">Riga</a> after foreign officers of the Russian <a href="./Flotilla" id="mwB9E" rel="mw:WikiLink" title="Flotilla">flotilla</a> had defected to the other side?