5 Jun 1400 Jahr - Duke Frederick I of Brunswick-Lüneburg is assassinated after being identified as a rival to Wenceslaus, Holy Roman Emperor. Frederick, on his way back from a May 22 meeting of the prince-electors, is ambushed by a party of men led by Count Henry of Waldeck while passing through the village of Kleinenglis in the Principality of Waldeck and Pyrmont (now part of the German state of Hesse, near Borken) (Band der Zeit)