U-20-class submarine
type: Thing
description: Austro-Hungarian Navy submarines during WWI
additional property: PropertyValue
  property ID: P18
  value: Undervandsbåden Havmanden 1914 gs.jpg
additional property: PropertyValue
  property ID: P31
  value: submarine class
additional property: PropertyValue
  property ID: P137
  value: Austro-Hungarian Navy
additional property: PropertyValue
  property ID: P138
  value: SM U-20
additional property: PropertyValue
  property ID: P144
  value: Havmanden-class submarine
additional property: PropertyValue
  property ID: P156
  value: U-27-class submarine
additional property: PropertyValue
  property ID: P176
  value: Pula
additional property: PropertyValue
  property ID: P279
  value: submarine
additional property: PropertyValue
  property ID: P373
  value: Austro-Hungarian U-20 class submarine
additional property: PropertyValue
  property ID: P495
  value: Croatia
additional property: PropertyValue
  property ID: P571
  value: 1916
additional property: PropertyValue
  property ID: P646
  value: /m/04yf1v_
additional property: PropertyValue
  property ID: P4589
  value: U20_Class_Submarine_(1916)
additional property: PropertyValue
  property ID: P8408
  value: U-20-classSubmarine
confidence:
  popularity graph score:
    score: 0.004
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 5
      sitelinks norm: 0.012
      unique citations: 1
      unique citations norm: 0.0
      monthly pageviews: 69
      monthly pageviews norm: 0.0
  sitelinks: 5
  unique citations: 1
  monthly pageviews: 69
  yearly pageviews: 118
  pageview trend:
    m: 2026-08
    v: 69
  pageview trend:
    m: 2026-07
    v: 7
  pageview trend:
    m: 2026-06
    v: 11
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 30
  popularity:
    sitelinks: 5
    max: 423
    pct: 1.2
  tier: long_tail
claims:
  P18:
    value: Undervandsbåden Havmanden 1914 gs.jpg
    source count: 0
    confidence: 0.0
  P31:
    value: Q1428357
    source count: 0
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    value label: submarine class
  P137:
    value: Q159211
    source count: 1
    confidence: 0.2
    value label: Austro-Hungarian Navy
  P138:
    value: Q7391565
    source count: 0
    confidence: 0.0
    value label: SM U-20
  P144:
    value: Q5798816
    source count: 0
    confidence: 0.0
    value label: Havmanden-class submarine
  P156:
    value: Q7862873
    source count: 1
    confidence: 0.2
    value label: U-27-class submarine
  P176:
    value: Q4656
    source count: 1
    confidence: 0.2
    value label: Pula
  P279:
    value: Q2811
    source count: 0
    confidence: 0.0
    value label: submarine
  P373:
    value: Austro-Hungarian U-20 class submarine
    source count: 0
    confidence: 0.0
  P495:
    value: Q224
    source count: 0
    confidence: 0.0
    value label: Croatia
  P571:
    value: +1916-00-00T00:00:00Z
    source count: 0
    confidence: 0.0
  P646:
    value: /m/04yf1v_
    source count: 0
    confidence: 0.0
  P1813:
    value:
      lang: mul
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    source count: 0
    confidence: 0.0
  P4589:
    value: U20_Class_Submarine_(1916)
    source count: 0
    confidence: 0.0
  P8408:
    value: U-20-classSubmarine
    source count: 1
    confidence: 0.2
citations:
  source: KBpedia
  stated in qid: Q64139102
  retrieved: 2020-07-09
meta:
  wikidata id: Q7862868
  domain: submarine_class
  level: standard
  html url: https://4ort.xyz/entity/u-20-class-submarine
  markdown url: https://4ort.xyz/entity/u-20-class-submarine.md
  facts url summary: https://4ort.xyz/entity/u-20-class-submarine/facts.json
  facts url standard: https://4ort.xyz/entity/u-20-class-submarine/facts.json
  facts url full: https://4ort.xyz/entity/u-20-class-submarine/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-24T05:07:07.838374Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-04-10T23:31:24.453676+00:00Z