This arrangement was never stable, and caused numerous wars in the following years. Eventually, the western part of the Empire became the Kingdom of France, while the eastern part became the Holy Roman Empire. The middle part, called Lotharingia, soon broke up, and was finally absorbed into the Holy Roman Empire in the beginning of the 10th century. | This arrangement was never stable, and caused numerous wars in the following years. Eventually, the western part of the Empire became the Kingdom of France, while the eastern part became the Holy Roman Empire. The middle part, called Lotharingia, soon broke up, and was finally absorbed into the Holy Roman Empire in the beginning of the 10th century. |