Battle on the Elster
Battle on the Elster was the third and last battle between the Salian king Henry IV of Germany and anti-king Rudolf of Rheinfelden , fought on October 14 , 1080 near Hohenmölsen on the White Elster river . 
<triplet> Battle on the Elster <subj> Hohenmölsen <obj> location <triplet> Henry IV of Germany <subj> Salian <obj> family