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Igor Demo

Slovak football player

Correspondence, annotated notebooks and portrait silhouettes prepared for research
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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMar 5, 2026
Entity authorityQ922883
Source-derived summary

Igor Demo (born 18 September 1975) is a Slovak former professional footballer. His playing position was midfielder.

Demo was born and grew up in Nitra, and he started his professional career playing for the local team FC Nitra. He also played for ŠK Slovan Bratislava before being transferred to the Dutch side PSV Eindhoven in 1997. He moved to Germany to join Borussia Mönchengladbach in 1999, and played there for six seasons. In 2005, Demo was signed by the Austrian team Grazer AK, but could not secure a spot on the match-day squad due to injuries, and his contract was terminated with mutual agreement on 5 January 2010. He then returned to his first club, FC Nitra.

Demo has represented his country in 24 international matches, in which he has scored four goals.

Editorial summary

The public source identifies “Igor Demo” as slovak football player. This brief keeps that definition visible, then builds a research path around Igor, Demo and Slovak.

Editorial reviewStrongest as a route into the people, institutions and dated events that shaped the subject’s public record. The current lead gives the account dated anchors—1975, 1997, 1999, 2005—that can be checked directly. The linked authority record independently contributes the date 1975-09-18. Its value is orientation rather than verdict, with Igor, Demo and Slovak providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Igor Demo”, the useful work is to connect “slovak football player” to the records capable of establishing context and consequence.

Evidence profile

Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Mar 5, 2026. The linked authority identifier is Q922883. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1975, 1997, 1999 and 2005.

Critical limits

Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. 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 “Igor Demo”, its source revision and the description used here.
  2. Expand the search: follow Igor Demo primary sources, Igor Demo archive and Igor 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 “Igor Demo”?
  2. Which primary records establish identity, chronology and institutional ties?
  3. Which claims depend on a single source or contested interpretation?
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Source & attribution

This entry incorporates text from Igor Demo” 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.