Treaty of Elbing
... that the Dutch Republic successfully intervened in the Second Northern War, forcing the Swedish Empire to accept the Treaty of Elbing?
... that the <a href="./Dutch_Republic" id="mwDdE" rel="mw:WikiLink" title="Dutch Republic">Dutch Republic</a> successfully intervened in the <a href="./Second_Northern_War" id="mwDdI" rel="mw:WikiLink" title="Second Northern War">Second Northern War</a>, forcing the <a href="./Swedish_Empire" id="mwDdM" rel="mw:WikiLink" title="Swedish Empire">Swedish Empire</a> to accept the <b id="mwDdQ"><a href="./Treaty_of_Elbing" id="mwDdU" rel="mw:WikiLink" title="Treaty of Elbing">Treaty of Elbing</a></b>?