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João Ferreira (politician)

Portuguese biologist and politician

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 23, 2026
Entity authorityQ11728715 ↗
Source-derived summary

João Manuel Peixoto Ferreira (Portuguese pronunciation: [ʒuˈɐ̃w̃ mɐnuˈɛl pɐjˈʃotu fɨˈʁejɾɐ]; born 20 November 1978) is a Portuguese biologist and politician, serving as Member of the European Parliament for the Portuguese Communist Party (PCP); part of the European United Left–Nordic Green Left, where he was a vice-chair from 7 February 2012 to 30 June 2014, since 2009.

João Ferreira is a member of the Central Committee of the Portuguese Communist Party, and a member of the Lisbon Municipal Council.

Editorial summary

“João Ferreira (politician)” enters the record as portuguese biologist and politician. Crown Archives preserves that source wording while asking what João, Ferreira and politician can confirm, complicate or overturn.

Editorial reviewA productive starting point for separating a subject’s documented career from later reputation and commemoration. The current lead gives the account dated anchors—1978, 2012, 2014, 2009—that can be checked directly. The linked authority record independently contributes the date 1978-11-20. Its strongest next move is a source search built around João, Ferreira and politician.
Editorial analysis

Why this record matters

“João Ferreira (politician)” is worth following because a concise public description often conceals a longer documentary argument. Here, João, Ferreira and politician provides the most credible route into that argument.

Evidence profile

The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Sep 23, 2026. The linked authority identifier is Q11728715. VIAF identifies the subject as 1107156858475349780000. The Library of Congress control number is n2020034799. 2 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1978, 2012, 2014 and 2009.

Critical limits

A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. 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

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “João Ferreira (politician)”, its source revision and the description used here.
  2. Expand the search: follow João Ferreira (politician) primary sources, João Ferreira (politician) archive and João 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 “João Ferreira (politician)”?
  2. How has the subject’s reputation changed across later accounts?
  3. Which claims depend on a single source or contested interpretation?
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Source & attribution

This entry incorporates text from “João Ferreira (politician)” 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.