Eugene Klein
type: Person
description: American philatelist (1878–1944) and president of the American Philatelic Society
birth date: 1878-06-26
death date: 1944-04-30
birth place: Austria–Hungary
death place: Philadelphia
nationality: United States
has occupation: stamp dealer
award: American Philatelic Society Hall of Fame
additional property: PropertyValue
  property ID: P18
  value: Eugene Klein.gif
additional property: PropertyValue
  property ID: P19
  value: Austria–Hungary
additional property: PropertyValue
  property ID: P20
  value: Philadelphia
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P27
  value: United States
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P39
  value: President of the American Philatelic Society
additional property: PropertyValue
  property ID: P106
  value: stamp dealer
additional property: PropertyValue
  property ID: P166
  value: American Philatelic Society Hall of Fame
additional property: PropertyValue
  property ID: P373
  value: Eugene Klein
additional property: PropertyValue
  property ID: P569
  value: June 26, 1878
additional property: PropertyValue
  property ID: P570
  value: April 30, 1944
additional property: PropertyValue
  property ID: P646
  value: /m/025y8pk
additional property: PropertyValue
  property ID: P734
  value: Klein
additional property: PropertyValue
  property ID: P735
  value: Eugene
additional property: PropertyValue
  property ID: P1038
  value: Ronald Stephen Klein
confidence:
  popularity graph score:
    score: 0.005
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 5
      sitelinks norm: 0.012
      unique citations: 3
      unique citations norm: 0.001
      monthly pageviews: 5
      monthly pageviews norm: 0.0
  sitelinks: 5
  unique citations: 3
  monthly pageviews: 5
  yearly pageviews: 14
  pageview trend:
    m: 2026-07
    v: 5
  pageview trend:
    m: 2026-06
    v: 4
  pageview trend:
    m: 2026-05
    v: 3
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 1
  popularity:
    sitelinks: 5
    max: 423
    pct: 1.2
  tier: long_tail
claims:
  P18:
    value: Eugene Klein.gif
    source count: 1
    confidence: 0.2
  P19:
    value: Q28513
    source count: 1
    confidence: 0.2
    value label: Austria–Hungary
  P20:
    value: Q1345
    source count: 1
    confidence: 0.2
    value label: Philadelphia
  P21:
    value: Q6581097
    source count: 1
    confidence: 0.2
    value label: male
  P27:
    value: Q30
    source count: 0
    confidence: 0.0
    value label: United States
  P31:
    value: Q5
    source count: 1
    confidence: 0.2
    value label: human
  P39:
    value: Q116727920
    source count: 1
    confidence: 0.2
    value label: President of the American Philatelic Society
    qualifiers:
      P580: +1935-00-00T00:00:00Z
      P582: +1937-00-00T00:00:00Z
  P106:
    value: Q686880
    source count: 1
    confidence: 0.2
    value label: stamp dealer
  P166:
    value: Q3614086
    source count: 1
    confidence: 0.2
    value label: American Philatelic Society Hall of Fame
    qualifiers:
      P585: +1944-00-00T00:00:00Z
  P373:
    value: Eugene Klein
    source count: 0
    confidence: 0.0
  P569:
    value: +1878-06-26T00:00:00Z
    source count: 1
    confidence: 0.2
  P570:
    value: +1944-04-30T00:00:00Z
    source count: 1
    confidence: 0.2
  P646:
    value: /m/025y8pk
    source count: 0
    confidence: 0.0
  P734:
    value: Q428024
    source count: 0
    confidence: 0.0
    value label: Klein
  P735:
    value: Q545971
    source count: 0
    confidence: 0.0
    value label: Eugene
  P1038:
    value: Q102253992
    source count: 1
    confidence: 0.2
    value label: Ronald Stephen Klein
citations:
  source: APS Website
  stated in qid: Q131370819
  retrieved: 2025-03-22
meta:
  wikidata id: Q4223228
  domain: human
  level: standard
  html url: https://4ort.xyz/entity/eugene-klein
  markdown url: https://4ort.xyz/entity/eugene-klein.md
  facts url summary: https://4ort.xyz/entity/eugene-klein/facts.json
  facts url standard: https://4ort.xyz/entity/eugene-klein/facts.json
  facts url full: https://4ort.xyz/entity/eugene-klein/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-22T01:32:12.613515Z
  entity updated at: 2026-04-11T00:05:27.378706+00:00Z
  entity created at: 2026-04-11T00:05:27.378706+00:00Z