a horse was sacrificed
... that in ancient Rome, a horse was sacrificed to the deity Mars each year on the Ides of October, with ceremonies in various venues involving different parts of the horse's body?
... that in <a href="./Ancient_Rome" id="mwENM" rel="mw:WikiLink" title="Ancient Rome">ancient Rome</a>, <b id="mwENQ"><a href="./October_Horse" id="mwENU" rel="mw:WikiLink" title="October Horse">a horse was sacrificed</a></b> to the deity <a href="./Mars_(mythology)" id="mwENY" rel="mw:WikiLink" title="Mars (mythology)">Mars</a> each year on the <a href="./Roman_calendar#Months" id="mwENc" rel="mw:WikiLink" title="Roman calendar">Ides</a> of October, with ceremonies in various venues involving different parts of the horse<span about="#mwt53" class="nowrap" data-mw="{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;'s&quot;,&quot;href&quot;:&quot;./Template:'s&quot;},&quot;params&quot;:{},&quot;i&quot;:0}}]}" id="mwENg" style="padding-left:0.1em;" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> body?