Emperor Maurice decides to end the annual tribute to the Avars, who respond by capturing the cities Singidunum (modern Belgrade) and …

…Viminacium in Moesia.

People seeking refuge in the Peloponnese from from the Slavic and the Avaric invasion of Greece found the city of Monemvasiais, located on a small peninsula off the east coast of the Peloponnese and linked to the mainland by a short causeway two hundred meters in length.

The king summons his rebellious son Hermenegild back to Toledo and forces him to abandon the Catholic faith.

Emperor Wen organizes the construction of the Grand Canal, builds ships for transportation, and locates grain stores at strategic points.

Ishbara raids Apa Khagan's territory in 584 and kills the latter's mother.

Apa takes refuge in the west and allies himself with its powerful ruler Tardush.

Both Tardush and his brother Tamgan, the ruler of the Volga river area, supply him with troops.

As Ishbara is unable to compete with this force, he accepts the suzerainty of Sui China to protect himself.

With Chinese support, he is able to capture Apa Khagan's family members.

Apa Khagan once again escapes west and settles in the Paykend near Bukhara.

However, in his new territory, the former alliance breaks up and he loses the support of Tardush because of the disagreement over control of the Silk Road.

The Slavs push south in the Balkan Peninsula—partly in conjunction with the Avars under their ruler (khagan) Bayan I—ravaging the cities of Athens and …

…Corinth.

Liuvigild’s Visigoth forces capture the city of Seville after a siege of nearly two years.

His rebellious son Hermenegild seeks refuge in a church at Córdoba, but is arrested and banished to Tarragona.

His wife, Inguld, flees with her son to Africa.