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770

year

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionFeb 28, 2026
Entity authorityQ25021
Source-derived summary

Year 770 (DCCLXX) was a common year starting on Monday of the Julian calendar. The denomination 770 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

Europe

King Charlemagne signs a peace treaty with Duke Tassilo III of Bavaria, and marries the Lombard princess Desiderata (daughter of King Desiderius). He travels to the Lombard court at Pavia to conclude arrangements. Pope Stephen III opposes the marriage, and protests about a Frankish-Lombard alliance.

Hedeby, an important trading settlement, in the Danish-northern German borderland is founded (approximate date).

Britain

King Alhred of Northumbria takes an interest in continental missionary activities, and sends Willehad to Frisia in modern-day Netherlands (approximate date).

Abbasid Caliphate

Caliph al-Mansur orders the closing of the Canal of the Pharaohs (Egypt). The only remaining land routes to transship camel caravans' goods are from Alexandria to ports on the Red Sea, or the northern Byzantine termini of the Silk Road.

Asia

August 28 – Empress Kōken (also Shōtoku) of Japan dies.

Editorial summary

Begin with the source’s own compact description: “770” is year. The dossier treats that line as a proposition to test through year, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 181-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 Feb 28, 2026. The linked authority identifier is Q25021. None of the 0 selected statements returned an explicit reference.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. 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 “770”, its source revision and the description used here.
  2. Expand the search: follow 770 primary sources, 770 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 “770”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which cited source is closest to the event, object or claim?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from 770” 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.