1981 enlargement of the European Communities
type: Thing
description: event on 1 January 1981 where Greece joined the European Communities
additional property: PropertyValue
  property ID: P17
  value: Greece
additional property: PropertyValue
  property ID: P18
  value: EC10-1981 European Community map enlargement.svg
additional property: PropertyValue
  property ID: P31
  value: accession of a country to the European Union
additional property: PropertyValue
  property ID: P31
  value: accession of a country to the European Union
additional property: PropertyValue
  property ID: P155
  value: 1973 enlargement of the European Communities
additional property: PropertyValue
  property ID: P156
  value: 1986 enlargement of the European Communities
additional property: PropertyValue
  property ID: P585
  value: January 1, 1981
additional property: PropertyValue
  property ID: P646
  value: /m/012lb21n
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  unique citations: 0
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  yearly pageviews: 73
  pageview trend:
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    v: 56
  pageview trend:
    m: 2026-05
    v: 12
  pageview trend:
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  pageview trend:
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  tier: long_tail
claims:
  P17:
    value: Q41
    source count: 0
    confidence: 0.0
    value label: Greece
  P18:
    value: EC10-1981 European Community map enlargement.svg
    source count: 0
    confidence: 0.0
  P31:
    value: Q59678118
    source count: 0
    confidence: 0.0
    value label: accession of a country to the European Union
  P31:
    value: Q59678118
    source count: 0
    confidence: 0.0
    value label: accession of a country to the European Union
  P155:
    value: Q17050340
    source count: 1
    confidence: 0.2
    value label: 1973 enlargement of the European Communities
  P156:
    value: Q18109198
    source count: 1
    confidence: 0.2
    value label: 1986 enlargement of the European Communities
  P585:
    value: +1981-01-01T00:00:00Z
    source count: 0
    confidence: 0.0
  P646:
    value: /m/012lb21n
    source count: 0
    confidence: 0.0
meta:
  wikidata id: Q2824360
  domain: accession_of_a_country_to_the_european_union
  level: standard
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  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-08T13:07:23.504966Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-05-03T14:20:45.746292+00:00Z