Count <a href="https://en.wikipedia.org/wiki/Dirk_III,_Count_of_Holland" id="mwNw" rel="mw:WikiLink" title="Dirk III, Count of Holland">Dirk III</a> defeats an army sent by <a href="https://en.wikipedia.org/wiki/Henry_II,_Holy_Roman_Emperor" id="mwOA" rel="mw:WikiLink" title="Henry II, Holy Roman Emperor">Emperor Henry II</a> in the <a href="https://en.wikipedia.org/wiki/Battle_of_Vlaardingen" id="mwOQ" rel="mw:WikiLink" title="Battle of Vlaardingen">Battle of Vlaardingen</a>.