The Treaty of Verdun, signed in 843, divided the Carolingian Empire among the sons of Louis the Pious. The practice of partible inheritance led to this division. This treaty was a significant event that largely shaped modern Europe.
The main answer to your question is the Treaty of Verdun. This treaty was signed in 843 and led to the division of the Carolingian Empire. The empire was divided amongst the sons of Louis the Pious, who was not seen as the imposing warrior his father, Charlemagne, had been. Louis's sons were eager to rule and rebelled against him during his lifetime, eventually forcing him to abdicate.
The Carolingian Empire was a significant power during the Middle Ages, with its influence felt over a vast region in Europe. However, the practice of partible inheritance among Louis the Pious' sons led to the division of the empire. This policy meant that each son inherited an equal share of the father's estate, eventually resulting in a fractured realm and diminishment of holdings, as evidenced by the Treaty of Verdun.
Thus, the Treaty of Verdun divided the Carolingian empire among Louis the Pious' sons. This treaty marked a critical turning point in the history of the Carolingian Empire and is considered a defining moment in the development of the nation-states that would eventually form modern Europe.
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