Duchy of Veragua
...that the Duchy of Veragua, granted to the grandson of Christopher Columbus, is a perfect square of land 25 leagues to a side?
...that the <b id="mwC4c"><a class="mw-redirect" href="./Duchy_of_Veragua" id="mwC4g" rel="mw:WikiLink" title="Duchy of Veragua">Duchy of Veragua</a></b>, granted to the grandson of <a href="./Christopher_Columbus" id="mwC4k" rel="mw:WikiLink" title="Christopher Columbus">Christopher Columbus</a>, is a perfect square of land 25<span id="mwC4o" typeof="mw:Entity"> </span><a href="./League_(unit)" id="mwC4s" rel="mw:WikiLink" title="League (unit)">leagues</a> to a side?