<a href="https://en.wikipedia.org/wiki/Winter_War" id="mw2Q" rel="mw:WikiLink" title="Winter War">Winter War</a>: The <a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mw2g" rel="mw:WikiLink" title="Soviet Union">Soviet Union</a> is expelled from the <a href="https://en.wikipedia.org/wiki/League_of_Nations" id="mw2w" rel="mw:WikiLink" title="League of Nations">League of Nations</a> for invading Finland.