World War II: Temperatures around Moscow drop to <span about="#mwt73" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"-12"},"2":{"wt":"°C"}},"i":0}}]}' id="mwng" typeof="mw:Transclusion">−12</span><span about="#mwt73" typeof="mw:Entity"> </span><span about="#mwt73">°C (10</span><span about="#mwt73" typeof="mw:Entity"> </span><span about="#mwt73">°F)</span> as the <a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mwnw" rel="mw:WikiLink" title="Soviet Union">Soviet Union</a> launches <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Ski_troops" id="mwoA" rel="mw:WikiLink" title="Ski troops">ski troops</a> for the first time against the freezing German forces near the city.