582

By place

Byzantine Empire

• August 14 - Emperor Tiberius II Constantine, age 47, dies at Constantinople, after a 4-year reign during which Thrace and Greece have been inundated by the Slavs. He is succeeded by his son-in-law Maurice, former notary who has commanded the Byzantine army in the war against the Persian Empire.
• Autumn - Maurice elevates John Mystacon to magister militum per Orientem. He sends a Byzantine expeditionary force to Arzanene, where they fight a pitched battle at the river Nymphius.

  Europe

• Siege of Sirmium: The Avars, under their ruler Bayan I, aided by Slavic auxiliary troops, capture the city of Sirmium after almost a 3-year siege. Bayan establishes a new base of operations within the Byzantine Empire, from which he plunders the Balkan Peninsula.
• Gundoald, illegitimate son of Clotaire I, arrives with the financial support of Constantinople in southern Gaul. He claims as usurper king the cities Poitiers and Toulouse, part of the Frankish Kingdom.
• The Visigoths under King Liuvigild capture the city of Mérida, which is under the political control of its popular bishop Masona. He is arrested and exiled for 3 years.

  Persia

• A Persian army under Tamkhosrau crosses the Euphrates River and attacks the city of Constantina, but he is defeated by the Byzantines and killed.

  Asia

• Spring - Emperor Xuan Di, age 52, dies after a 13-year reign and is succeeded by his incompetent son Houzhu, who becomes the new ruler of the Chen Dynasty.
• Emperor Wéndi of the Sui Dynasty orders the building of a new capital, which he calls Daxing, on a site southeast of Chang'an.

  By topic

Religion

• April 11 - John Nesteutes becomes the 33rd bishop or patriarch of Constantinople.