<a href="https://en.wikipedia.org/wiki/Ulrich_II,_Count_of_Celje" id="mwUg" rel="mw:WikiLink" title="Ulrich II, Count of Celje">Ulrich II, Count of Celje</a>, last ruler of the <a href="https://en.wikipedia.org/wiki/County_of_Cilli" id="mwUw" rel="mw:WikiLink" title="County of Cilli">County of Cilli</a>, is assassinated in <a href="https://en.wikipedia.org/wiki/Belgrade" id="mwVA" rel="mw:WikiLink" title="Belgrade">Belgrade</a>.