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HMS M4 (1919)

1919 M-class submarine

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMar 25, 2026
Entity authorityQ5633239 ↗
Source-derived summary

HMS M4 was an M-class submarine of the Royal Navy built by Armstrong Whitworth, Newcastle Upon Tyne, and laid down in 1917. M4 was cancelled and sold as an incomplete hulk on 30 November 1921.

References

Hutchinson, Robert (2001). Jane's Submarines: War Beneath the Waves from 1776 to the Present Day. London: HarperCollins. ISBN 978-0-00-710558-8. OCLC 53783010.

Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of All Fighting Ships of the Royal Navy from the 15th Century to the Present (3rd Rev ed.). London: Chatham Publishing.

Editorial summary

The public source identifies “HMS M4 (1919)” as 1919 M-class submarine. This brief keeps that definition visible, then builds a research path around M-class and submarine.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1917, 1921, 2001, 1776—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with M-class and submarine providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “HMS M4 (1919)”, the useful work is to connect “1919 M-class submarine” to the records capable of establishing context and consequence.

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 Mar 25, 2026. The linked authority identifier is Q5633239. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1917, 1921, 2001 and 1776.

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 “HMS M4 (1919)”, its source revision and the description used here.
  2. Expand the search: follow HMS M4 (1919) primary sources, HMS M4 (1919) archive and M-class 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 “HMS M4 (1919)”?
  2. Which institution is responsible for the underlying evidence?
  3. What terminology or title could unlock a more precise catalogue search?
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Source & attribution

This entry incorporates text from “HMS M4 (1919)” 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.