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Bulgar–Serb War (839–842)

historical conflict between the Serbs and Bulgars

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 28, 2026
Entity authorityQ19902015 ↗
Source-derived summary

The Bulgarian–Serbian War of 839–842 was a conflict between the First Bulgarian Empire and the Serbian Principality. It was one of the earliest recorded conflicts between the two states and marked the beginning of a series of Bulgarian–Serbian wars.

The war began after Presian I of Bulgaria invaded Serbia during the reign of the Serbian ruler Vlastimir. The Serbian forces successfully resisted the invasion, and the conflict ended without the incorporation of Serbia into the Bulgarian Empire.

Prelude

According to De Administrando Imperio, the Serbs and Bulgars had lived peacefully as neighbours until the Bulgarian invasion in 839 (in the last years of emperor Theophilos). It is not known what exactly prompted the war, as Porphyrogenitus gives no clear answer; whether it was a result of Serbian–Bulgarian relations, i.e. the Bulgarian conquest to the southeast, or a result of the Byzantine-Bulgarian rivalry, in which Serbia was at the side of the Byzantines as an Imperial ally. It was not unlikely that the Emperor had a part in it; as he was in war with the Arabs, he may have pushed the Serbs to drive the Bulgars from western Macedonia, which would benefit them both. According to J. B. Bury, this alliance would explain the cause of the Bulgarian action. Vasil Zlatarski supposes that the Emperor offered the Serbs complete independence in return.

Editorial summary

The public source identifies “Bulgar–Serb War (839–842)” as historical conflict between the Serbs and Bulgars. This brief keeps that definition visible, then builds a research path around Bulgar, Serb and historical.

Editorial reviewA strong contextual entry point for chronology, institutions and public events when official records are distinguished from later interpretation. The current 222-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Bulgar, Serb and historical providing the first useful test.
Editorial analysis

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A short description can identify a subject without explaining its stakes. For “Bulgar–Serb War (839–842)”, the useful work is to connect “historical conflict between the Serbs and Bulgars” to the records capable of establishing context and consequence.

Evidence profile

The record creator and administrative purpose are central evidence, because official documentation reflects both action and institutional priorities. The source revision retrieved here is dated Aug 28, 2026. The linked authority identifier is Q19902015. None of the 0 selected statements returned an explicit reference.

Critical limits

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Source & attribution

This entry incorporates text from “Bulgar–Serb War (839–842)” 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.