Virago
... that in 1854, the filly Virago won ten of the eleven races she entered, including the 1000 Guineas, the Goodwood Cup, the Nassau Stakes, the Yorkshire Oaks, and the Doncaster Cup?
... that in 1854, the filly <b id="mwB_M"><a href="./Virago_(horse)" id="mwB_Q" rel="mw:WikiLink" title="Virago (horse)">Virago</a></b> <i id="mwB_U">(pictured)</i> won ten of the eleven races she entered, including the <a class="mw-redirect" href="./1000_Guineas" id="mwB_Y" rel="mw:WikiLink" title="1000 Guineas">1000 Guineas</a>, the <a href="./Goodwood_Cup" id="mwB_c" rel="mw:WikiLink" title="Goodwood Cup">Goodwood Cup</a>, the <a href="./Nassau_Stakes" id="mwB_g" rel="mw:WikiLink" title="Nassau Stakes">Nassau Stakes</a>, the <a href="./Yorkshire_Oaks" id="mwB_k" rel="mw:WikiLink" title="Yorkshire Oaks">Yorkshire Oaks</a>, and the <a href="./Doncaster_Cup" id="mwB_o" rel="mw:WikiLink" title="Doncaster Cup">Doncaster Cup</a>?