Fordicidia
... that the ancient Romans sacrificed pregnant cows to celebrate Fordicidia, the festival of fertility?
... that the <a class="mw-redirect" href="./Ancient_Romans" id="mwFfY" rel="mw:WikiLink" title="Ancient Romans">ancient Romans</a> sacrificed pregnant cows to celebrate <b id="mwFfc"><a href="./Fordicidia" id="mwFfg" rel="mw:WikiLink" title="Fordicidia">Fordicidia</a></b>, the <a href="./Roman_festivals" id="mwFfk" rel="mw:WikiLink" title="Roman festivals">festival</a> of <a href="./Fertility" id="mwFfo" rel="mw:WikiLink" title="Fertility">fertility</a>?