With what opponents did Byzantium fight in VI – IX, name the enemies and the result of the clash?

In the 6th century, Byzantium as a whole successfully waged wars with the Sassanid state in the east (the territory of modern Georgia and Armenia were places of battles), with the Vandal state in northern Africa (Tunisia and the island of Sardinia), with the Ostrogoths and Visigoths in Southern Europe, the Byzantines temporarily succeeded take control of the south of Spain and almost all of modern Italy.

After Justinian, they fought with the Lombards and the Slavs, because of this they sometimes lost control over part of the Balkans, in the end, the Bulgarians were baptized.

They lost North Africa and part of their possessions in the Middle East in the 7th century, when the Arab expansion took place.

In the 9th-11th centuries, Byzantium waged wars with Russia with varying success, in whose army there were also Scandinavians (Varangians). In 911, Prince Oleg won a victory, and the campaigns of Prince Igor and Svyatoslav were less successful. After the siege of Chersonesos in 988, Prince Vladimir married a princess from Byzantium and was baptized.

In the 11th century, a war with the Turks began in the east of the empire, which the Byzantines lost and were driven back to the west of the Asia Minor peninsula.