Zwentibold of Lotharingia Killed: Reginar's Rebellion Succeeds
Count Reginar I of Hainault rebelled against Zwentibold of Lotharingia and slew him near Susteren, toppling a king whose erratic rule had alienated the Lotharingian nobility. The assassination fragmented Lotharingia's political structure and shifted regional power toward local counts who would shape the borders of modern Belgium and the Netherlands.
August 13, 900
1126 years ago
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