<a href="https://en.wikipedia.org/wiki/Finnish_War" id="mwRQ" rel="mw:WikiLink" title="Finnish War">Finnish War</a>: Sweden loses the fortress of <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Sveaborg" id="mwRg" rel="mw:WikiLink" title="Sveaborg">Sveaborg</a> to Russia.