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Michael CarricoMichael Carrico
Updated:Apr 23, 2026
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Rise of Regional Nobility and the Fragmentation of Carolingian Authority (840–920)

Rise of Regional Nobility and the Fragmentation of Carolingian Authority (840–920)

  1. Battle of Fontenoy intensifies dynastic civil war

    Labels: Charles the, Louis the, Battle of

  2. Oaths of Strasbourg formalize anti-Lothar alliance

    Labels: Oaths of, Charles the, Louis the

  3. Treaty of Verdun partitions the Carolingian Empire

    Labels: Treaty of, Lothar I, Charles the

  4. Edict of Pîtres reorganizes West Frankish defense

    Labels: Edict of, Charles the

  5. Robert the Strong killed at Brissarthe

    Labels: Robert the, Neustria

  6. Treaty of Meerssen repartitions Lotharingia

    Labels: Treaty of, Lotharingia

  7. Capitulary of Quierzy addresses succession and offices

    Labels: Capitulary of, Charles the

  8. Synod of Mantaille elects Boso as king

    Labels: Synod of, Boso, Lower Burgundy

  9. Treaty of Ribemont transfers Lotharingia to East Francia

    Labels: Treaty of, Lotharingia

  10. Siege of Paris elevates Odo and regional leadership

    Labels: Siege of, Odo

  11. Charles the Fat deposed; empire-wide unity collapses

    Labels: Deposition of, Arnulf of

  12. Arnulf defeats Vikings at the River Dyle (Leuven)

    Labels: Battle of, Arnulf of

  13. Arnulf grants Zwentibold the kingship of Lotharingia

    Labels: Zwentibold, Lotharingia, Arnulf of

  14. Treaty of Saint-Clair-sur-Epte establishes Norman principality

    Labels: Treaty of, Rollo, Charles the