CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

20th Canadian Ministry

cabinet

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 26, 2026
Entity authorityQ210979 ↗
Source-derived summary

The Twentieth Canadian Ministry was the first cabinet chaired by Prime Minister Pierre Trudeau. It governed Canada from 20 April 1968 to 4 June 1979, including only the last three days of the 27th Canadian Parliament, and all of the 28th, 29th, and 30th. The government was formed by the Liberal Party of Canada. Trudeau was also Prime Minister in the 22nd Canadian Ministry (1980–1984).

Ministers

References

Government of Canada. "Twentieth Ministry". Guide to Canadian Ministries since Confederation. Privy Council Office. Archived from the original on 1 May 2017. Retrieved 1 July 2010.

Editorial summary

The public source identifies “20th Canadian Ministry” as cabinet. This brief keeps that definition visible, then builds a research path around 20th, Canadian and Ministry.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1968, 1979, 1980, 1984—that can be checked directly. The linked authority record independently contributes the date 1968-04-20. Its value is orientation rather than verdict, with 20th, Canadian and Ministry providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “20th Canadian Ministry”, the useful work is to connect “cabinet” to the records capable of establishing context and consequence.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 26, 2026. The linked authority identifier is Q210979. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1968, 1979, 1980 and 1984.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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 “20th Canadian Ministry”, its source revision and the description used here.
  2. Expand the search: follow 20th Canadian Ministry primary sources, 20th Canadian Ministry archive and 20th 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 “20th Canadian Ministry”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “20th Canadian Ministry” 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.