Royal Castle in Poznań
...that Royal Castle in Poznań was once the largest castle in the Polish Kingdom?
...that <b id="mwBWg"><a class="mw-redirect" href="./Royal_Castle_in_Poznań" id="mwBWk" rel="mw:WikiLink" title="Royal Castle in Poznań">Royal Castle in Poznań</a></b> was once the largest <a href="./Castle" id="mwBWo" rel="mw:WikiLink" title="Castle">castle</a> in the <a class="mw-redirect" href="./Kingdom_of_Poland_(1320–1385)" id="mwBWs" rel="mw:WikiLink" title="Kingdom of Poland (1320–1385)">Polish Kingdom</a>?