M21 (tram)
type: Thing
description: Tramcar type in Gothenburg
additional property: PropertyValue
  property ID: P18
  value: Spårvagn M21.png
additional property: PropertyValue
  property ID: P31
  value: tram model
additional property: PropertyValue
  property ID: P137
  value: Göteborgs spårvägar
additional property: PropertyValue
  property ID: P155
  value: M29
additional property: PropertyValue
  property ID: P156
  value: M31
additional property: PropertyValue
  property ID: P279
  value: tram
additional property: PropertyValue
  property ID: P373
  value: M21 trams
additional property: PropertyValue
  property ID: P580
  value: 1984
additional property: PropertyValue
  property ID: P582
  value: 1992
additional property: PropertyValue
  property ID: P1064
  value: standard-gauge railway
additional property: PropertyValue
  property ID: P1092
  value: +81
additional property: PropertyValue
  property ID: P2043
  value: +22150
additional property: PropertyValue
  property ID: P2049
  value: +2650
additional property: PropertyValue
  property ID: P2978
  value: Bo′2′Bo′
confidence:
  popularity graph score:
    score: 0.0
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 0
      unique citations norm: 0.0
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 0
  monthly pageviews: 0
  yearly pageviews: 0
  tier: long_tail
claims:
  P18:
    value: Spårvagn M21.png
    source count: 1
    confidence: 0.2
  P31:
    value: Q76154857
    source count: 0
    confidence: 0.0
    value label: tram model
  P137:
    value: Q10512910
    source count: 1
    confidence: 0.2
    value label: Göteborgs spårvägar
  P155:
    value: Q10573228
    source count: 0
    confidence: 0.0
    value label: M29
  P156:
    value: Q10573230
    source count: 0
    confidence: 0.0
    value label: M31
  P279:
    value: Q3407658
    source count: 1
    confidence: 0.2
    value label: tram
  P373:
    value: M21 trams
    source count: 0
    confidence: 0.0
  P580:
    value: +1984-00-00T00:00:00Z
    source count: 1
    confidence: 0.2
  P582:
    value: +1992-00-00T00:00:00Z
    source count: 1
    confidence: 0.2
  P1064:
    value: Q1999572
    source count: 0
    confidence: 0.0
    value label: standard-gauge railway
  P1092:
    value:
      unit: 1
      amount: +81
    source count: 1
    confidence: 0.2
  P2043:
    value:
      unit: http://www.wikidata.org/entity/Q174789
      amount: +22150
    source count: 0
    confidence: 0.0
  P2049:
    value:
      unit: http://www.wikidata.org/entity/Q174789
      amount: +2650
    source count: 0
    confidence: 0.0
  P2978:
    value: Q30398528
    source count: 0
    confidence: 0.0
    value label: Bo′2′Bo′
meta:
  wikidata id: Q10573225
  domain: tram_model
  level: standard
  html url: https://4ort.xyz/entity/m21-tram-
  markdown url: https://4ort.xyz/entity/m21-tram-.md
  facts url summary: https://4ort.xyz/entity/m21-tram-/facts.json
  facts url standard: https://4ort.xyz/entity/m21-tram-/facts.json
  facts url full: https://4ort.xyz/entity/m21-tram-/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-14T06:55:55.206666Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-05-03T13:45:38.763739+00:00Z