World War II: <a href="https://en.wikipedia.org/wiki/Continuation_War" id="mwvw" rel="mw:WikiLink" title="Continuation War">Continuation War</a>: The <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Vyborg–Petrozavodsk_Offensive" id="mwwA" rel="mw:WikiLink" title="Vyborg–Petrozavodsk Offensive">Vyborg–Petrozavodsk Offensive</a>, the largest offensive launched by Soviet Union against Finland during the Second World War, ends to a strategic stalemate. Both Finnish and Soviet troops at the Finnish front dug to defensive positions, and the front remains stable until the end of the war.