Blucher
... that Blücher was at Epsom when Blucher won the Derby?
... that <a href="./Gebhard_Leberecht_von_Blücher" id="mwDZc" rel="mw:WikiLink" title="Gebhard Leberecht von Blücher">Blücher</a> was at <a href="./Epsom_Downs_Racecourse" id="mwDZg" rel="mw:WikiLink" title="Epsom Downs Racecourse">Epsom</a> when <b id="mwDZk"><a href="./Blucher_(horse)" id="mwDZo" rel="mw:WikiLink" title="Blucher (horse)">Blucher</a></b> won the <a href="./Epsom_Derby" id="mwDZs" rel="mw:WikiLink" title="Epsom Derby">Derby</a>?