<a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mwuQ" rel="mw:WikiLink" title="Soviet Union">Soviet</a> troops enter <a href="https://en.wikipedia.org/wiki/Hungarian_People's_Republic" id="mwug" rel="mw:WikiLink" title="Hungarian People's Republic">Hungary</a> to end the <a href="https://en.wikipedia.org/wiki/Hungarian_Revolution_of_1956" id="mwuw" rel="mw:WikiLink" title="Hungarian Revolution of 1956">Hungarian revolution</a> against the Soviet Union that started on <a href="https://en.wikipedia.org/wiki/October_23" id="mwvA" rel="mw:WikiLink" title="October 23">October 23</a>. Thousands are killed, more are wounded, and nearly a quarter million leave the country.