Eventually two dukedoms were formed — Duchy of Pannonia and Duchy of Dalmatia, ruled by Ljudevit Posavski and Borna, as attested by chronicles of Einhard starting in the year 818.
Eventually two dukedoms were formed — Duchy of Pannonia and Duchy of Dalmatia, ruled by Ljudevit Posavski and Borna, as attested to by the chronicles of Einhard, starting in the year 818.
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