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873

year

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 3, 2025
Entity authorityQ30369 ↗
Source-derived summary

Year 873 (DCCCLXXIII) was a common year starting on Thursday of the Julian calendar.

Events

By place

Europe

Carloman, son of King Charles the Bald, is hauled before a secular court and condemned to death – for plotting against his father. He is blinded, but avoids imprisonment by escaping to the East Frankish Kingdom, where his uncle, Louis the German, gives him protection.

Al-Andalus: The city of Toledo (modern Spain) rises up for a second time against Umayyad rule, due to ethnic tensions over two years.

Britain

The Danish Great Heathen Army, led by the Viking leaders Halfdan and Guthrum, attack Mercia and capture the royal centre at Repton (Derbyshire). The Vikings establish an encampment with a U-shape ditch, on the south bank of the River Trent and spend the winter there.

Abbasid Caliphate

Azugitin, Abbasid caliph Al-Mu'tamid appointed Azugitin as governor of Mosul with deputies.

Muhammad ibn Ali al-Armani, was killed at the Caliphate - Byzantine border in 873.

Muhammad ibn Tahir, Muslim governor of Khorasan, is overthrown by the Saffarids, led by Ya'qub ibn al-Layth, who conquer the capital, Nishapur. Khorasan is annexed to their own empire in eastern Persia.

Editorial summary

Begin with the source’s own compact description: “873” is year. The dossier treats that line as a proposition to test through year, not as a finished interpretation.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current 192-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. For this dossier, year is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “year” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

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 Jan 3, 2025. The linked authority identifier is Q30369.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. 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 “873”, its source revision and the description used here.
  2. Expand the search: follow 873 primary sources, 873 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 “873”?
  2. Which cited source is closest to the event, object or claim?
  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 “873” 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.