Gustav Leffers
type: Person
description: German flying ace (1895–1916)
birth date: 1895-01-02
death date: 1916-12-27
birth place: Wilhelmshaven
death place: Cerisy
nationality: German Empire
has occupation: flying ace
award: Pour le Mérite
additional property: PropertyValue
  property ID: P18
  value: Gustav Leffers.jpg
additional property: PropertyValue
  property ID: P19
  value: Wilhelmshaven
additional property: PropertyValue
  property ID: P20
  value: Cerisy
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P27
  value: German Empire
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P106
  value: flying ace
additional property: PropertyValue
  property ID: P166
  value: Pour le Mérite
additional property: PropertyValue
  property ID: P214
  value: 302539764
additional property: PropertyValue
  property ID: P227
  value: 1034944339
additional property: PropertyValue
  property ID: P241
  value: Imperial German Army
additional property: PropertyValue
  property ID: P373
  value: Gustav Leffers
additional property: PropertyValue
  property ID: P410
  value: lieutenant
additional property: PropertyValue
  property ID: P569
  value: January 2, 1895
additional property: PropertyValue
  property ID: P569
  value: January 2, 1892
additional property: PropertyValue
  property ID: P570
  value: December 27, 1916
additional property: PropertyValue
  property ID: P570
  value: December 1916
additional property: PropertyValue
  property ID: P607
  value: World War I
additional property: PropertyValue
  property ID: P646
  value: /m/0b762f4
additional property: PropertyValue
  property ID: P734
  value: Leffers
additional property: PropertyValue
  property ID: P735
  value: Gustav
additional property: PropertyValue
  property ID: P945
  value: German Empire
additional property: PropertyValue
  property ID: P1196
  value: death in battle
additional property: PropertyValue
  property ID: P1412
  value: German
additional property: PropertyValue
  property ID: P3368
  value: 2323687
additional property: PropertyValue
  property ID: P7902
  value: 1034944339
additional property: PropertyValue
  property ID: P13627
  value: 1786699397
confidence:
  popularity graph score:
    score: 0.005
    score pct: 1
    tier: long_tail
    components:
      sitelinks: 6
      sitelinks norm: 0.014
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 6
  unique citations: 2
  monthly pageviews: 0
  yearly pageviews: 13
  pageview trend:
    m: 2026-06
    v: 5
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 2
  pageview trend:
    m: 2026-04
    v: 5
  popularity:
    sitelinks: 6
    max: 423
    pct: 1.4
  tier: long_tail
claims:
  P18:
    value: Gustav Leffers.jpg
    source count: 0
    confidence: 0.0
  P19:
    value: Q3857
    source count: 1
    confidence: 0.2
    value label: Wilhelmshaven
  P20:
    value: Q669761
    source count: 1
    confidence: 0.2
    value label: Cerisy
  P21:
    value: Q6581097
    source count: 0
    confidence: 0.0
    value label: male
  P27:
    value: Q43287
    source count: 0
    confidence: 0.0
    value label: German Empire
  P31:
    value: Q5
    source count: 0
    confidence: 0.0
    value label: human
  P106:
    value: Q222982
    source count: 0
    confidence: 0.0
    value label: flying ace
  P166:
    value: Q156478
    source count: 1
    confidence: 0.2
    value label: Pour le Mérite
  P214:
    value: 302539764
    source count: 2
    confidence: 0.4
  P227:
    value: 1034944339
    source count: 0
    confidence: 0.0
  P241:
    value: Q313422
    source count: 1
    confidence: 0.2
    value label: Imperial German Army
  P373:
    value: Gustav Leffers
    source count: 0
    confidence: 0.0
  P410:
    value: Q186024
    source count: 1
    confidence: 0.2
    value label: lieutenant
  P569:
    value: +1895-01-02T00:00:00Z
    source count: 1
    confidence: 0.2
  P569:
    value: +1892-01-02T00:00:00Z
    source count: 1
    confidence: 0.2
  P570:
    value: +1916-12-27T00:00:00Z
    source count: 1
    confidence: 0.2
  P570:
    value: +1916-12-00T00:00:00Z
    source count: 1
    confidence: 0.2

value: Q361
source count: 0
confidence: 0.0
value label: World War I

value: /m/0b762f4
source count: 0
confidence: 0.0

value: Q37031708
source count: 0
confidence: 0.0
value label: Leffers

value: Q746076
source count: 0
confidence: 0.0
value label: Gustav

value: Q43287
source count: 1
confidence: 0.2
value label: German Empire

value: Q18663901
source count: 1
confidence: 0.2
value label: death in battle

value: Q188
source count: 0
confidence: 0.0
value label: German

value: 2323687
source count: 0
confidence: 0.0

value: 1034944339
source count: 0
confidence: 0.0

value: 1786699397
source count: 0
confidence: 0.0

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2015-08-22

source: Catalog of the German National Library
stated in qid: Q23833686
retrieved: 2020-05-30

wikidata id: Q5621173
domain: human
level: standard
html url: https://4ort.xyz/entity/gustav-leffers
markdown url: https://4ort.xyz/entity/gustav-leffers.md
facts url summary: https://4ort.xyz/entity/gustav-leffers/facts.json
facts url standard: https://4ort.xyz/entity/gustav-leffers/facts.json
facts url full: https://4ort.xyz/entity/gustav-leffers/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-24T07:03:35.109348Z
entity updated at: 2026-04-10T23:58:40.980625+00:00Z
entity created at: 2026-04-10T23:58:40.980625+00:00Z