427
year
Year 427 (CDXXVII) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Hierius and Ardabur (or, less frequently, year 1180 Ab urbe condita). The denomination 427 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
Roman Empire
Bonifacius, Roman governor (Last of the Romans), revolts in Africa against Emperor Valentinian III. Under the influence of Aetius, he is convicted of treason by empress-mother Galla Placidia.
Europe
The Roman province of Pannonia Prima is finally assimilated into the Hunnic Empire.
Asia
The Ephthalites (White Huns) invade Western Asia and reduce the Sasanian Empire threat to the Eastern Roman Empire. King Bahram V sends an expeditionary force into Khorasan.
King Jangsu transfers the Goguryeo capital from Gungnae City (modern Ji'an, Jilin) on the banks of the Yalu River to Pyongyang (modern Korea).
Biyu becomes king of the Korean kingdom of Baekje.
Births
Erbin of Dumnonia, Brythonic king (approximate date)
Qi Gaodi, Chinese emperor of the Southern Qi Dynasty (d.
“427” enters the record as year. Crown Archives preserves that source wording while asking what year can confirm, complicate or overturn.
Why this record matters
“427” is worth following because a concise public description often conceals a longer documentary argument. Here, year provides the most credible route into that argument.
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 Jul 18, 2026. The linked authority identifier is Q33327. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1180.
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.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “427”, its source revision and the description used here.
- Expand the search: follow 427 primary sources, 427 archive and year research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “427”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “427” 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.