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835

year

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMay 3, 2026
Entity authorityQ23894
Source-derived summary

Year 835 (DCCCXXXV) was a common year starting on Friday of the Julian Calendar.

Events

By place

Europe

Ragnar Lodbrok, a Norse Viking ruler, rises to power. He becomes the scourge of France and England (approximate date).

Vikings raid Ireland on the Kingdom of Munster, at Inis Cathaigh.

Britain

Danish Viking raiders ally with the Cornish, against the rule of Ecgberht, King of Wessex (approximate date).

The Isle of Sheppey (off the northern coast of Kent) is attacked by Vikings.

China

December 14 – Sweet Dew Incident: Emperor Wenzong of Tang plots to free the court from the influence of his palace eunuchs. In the northeast sector of the capital, Chang'an, after the failure of the emperor's chancellor Li Zhongyan to subdue the eunuchs' influence, troops under the eunuchs' command slaughter many officials and other associates.

By topic

Religion

November 1 – Pope Gregory IV promotes the celebration of the feast of All Saints on this day throughout the Frankish Empire.

Births

Ahmad ibn Tulun, Muslim governor (d.

Editorial summary

This brief starts where responsible research should: with the source description of “835” as year. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current 168-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. The account is most persuasive where year can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as year. Its deeper value depends on whether names, dates, institutions and citations support that framing.

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 May 3, 2026. The linked authority identifier is Q23894. None of the 0 selected statements returned an explicit reference.

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 “835”, its source revision and the description used here.
  2. Expand the search: follow 835 primary sources, 835 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 “835”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which cited source is closest to the event, object or claim?
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Source & attribution

This entry incorporates text from 835” 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.