What states existed in Europe in the middle of the 9th century?

In the middle of the 9th century, such states and kingdoms already existed on the territory of Europe: the empire of Charlemagne, the Kingdom of Scotland, the Bulgarian Kingdom, the Byzantine Empire, the Emirate of Cordoba, the Kingdom of Denmark, the Great Moravian state, Kievan Rus, the Kingdom of England, etc.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.