Paradox
... that in 1885, the racehorse Paradox won the 2000 Guineas in May by a head, but lost the Epsom Derby in June, also by a head?
... that in 1885, the racehorse <b id="mwBFQ"><a href="./Paradox_(horse)" id="mwBFU" rel="mw:WikiLink" title="Paradox (horse)">Paradox</a></b> won the <a class="mw-redirect" href="./2000_Guineas" id="mwBFY" rel="mw:WikiLink" title="2000 Guineas">2000 Guineas</a> in May by a head, but lost the <a href="./Epsom_Derby" id="mwBFc" rel="mw:WikiLink" title="Epsom Derby">Epsom Derby</a> in June, also by a head?