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280 BC

year

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionFeb 17, 2026
Entity authorityQ47027
Source-derived summary

Year 280 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Laevinus and Coruncanius (or, less frequently, year 474 Ab urbe condita). The denomination 280 BC 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

Seleucid Empire

Antiochus makes his eldest son, Seleucus, king in the east, but he proves to be incompetent.

Antiochus is compelled to make peace with his father's murderer and King of Macedon, Ptolemy Keraunos, abandoning, for the time being, his plans to control Macedonia and Thrace.

Nicomedes, King of Bithynia, is threatened with an invasion from Antiochus who has already made war upon his father, Zipoites. Antiochus actually invades Bithynia but withdraws again without risking a battle.

Antiochus is unable to bring under his control the Persian dynasties that rule in Cappadocia.

Antiochus is defeated by Egypt's Ptolemy II in the Damascene War.

Greece

Pyrrhus makes an alliance with Ptolemy Keraunos, King of Macedon.

Editorial summary

“280 BC” enters the record as year. Crown Archives preserves that source wording while asking what year can confirm, complicate or overturn.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current 182-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 strongest next move is a source search built around year.
Editorial analysis

Why this record matters

“280 BC” is worth following because a concise public description often conceals a longer documentary argument. Here, year provides the most credible route into that argument.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Feb 17, 2026. The linked authority identifier is Q47027. None of the 0 selected statements returned an explicit reference.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “280 BC”, its source revision and the description used here.
  2. Expand the search: follow 280 BC primary sources, 280 BC archive and year research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “280 BC”?
  2. Which institution is responsible for the underlying evidence?
  3. What terminology or title could unlock a more precise catalogue search?
Subject index

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Source & attribution

This entry incorporates text from 280 BC” 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.