What did Charlemagne kingdom?

Charlemagne's kingdom, known as the Carolingian Empire, encompassed much of Western and Central Europe during the late 8th and early 9th centuries. At its height, it included modern-day France, Germany, Belgium, the Netherlands, Luxembourg, and parts of Italy and Austria. Charlemagne was instrumental in the Carolingian Renaissance, promoting education, culture, and Christianity, and he was crowned Emperor of the Romans in 800 AD, symbolizing the fusion of Roman, Christian, and Germanic elements in his rule. His legacy laid the groundwork for the future political landscape of Europe.