582
year

Year 582 (DLXXXII) was a common year starting on Thursday of the Julian calendar. The denomination 582 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Events
By place
Byzantine Empire
August 14 – Emperor Tiberius II Constantine, age 47, dies (possibly from deliberately poisoned food) 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 (Armenia), where they fight a pitched battle at the river Nymphius (Batman River).
Europe
Siege of Sirmium: The Avars, under their ruler (khagan) 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, including Athens.
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 (approximate date).
The public source identifies “582” as year. This brief keeps that definition visible, then builds a research path around year.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 18, 2026. The linked authority identifier is Q32212. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “582” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.