The birth date of the state of Bulgaria is the year 681. There were only two empires in Europe at that time – the Western Roman Empire and the Eastern Roman Empire (Byzantium).
The mighty Bulgarian Empire with khan Asparuh at its head united the ancient Thracian nation and the Slavic tribes.
This is how the third Empire in Europe – the so-called Danubean Bulgaria appeared on the crossroads with Asia and Africa. Its capital was called Pliska