Tadeusz Estreicher
type: Person
alternate name: Tadeusz Kazimierz Estreicher
description: Polish historian and chemist (1871–1952)
birth date: 1871-12-19
death date: 1952-04-08
birth place: Kraków
death place: Kraków
nationality: Poland
parent: Karol Estreicher
alumni of: University College London
alumni of: Jagiellonian University
works for: University of Fribourg
works for: Jagiellonian University
has occupation: chemist
has occupation: historian
has occupation: university teacher
additional property: PropertyValue
  property ID: P18
  value: Tadeusz Kazimierz Estreicher.jpg
additional property: PropertyValue
  property ID: P19
  value: Kraków
additional property: PropertyValue
  property ID: P20
  value: Kraków
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P22
  value: Karol Estreicher
additional property: PropertyValue
  property ID: P27
  value: Poland
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P69
  value: University College London
additional property: PropertyValue
  property ID: P69
  value: Jagiellonian University
additional property: PropertyValue
  property ID: P106
  value: chemist
additional property: PropertyValue
  property ID: P106
  value: historian
additional property: PropertyValue
  property ID: P106
  value: university teacher
additional property: PropertyValue
  property ID: P108
  value: University of Fribourg
additional property: PropertyValue
  property ID: P108
  value: Jagiellonian University
additional property: PropertyValue
  property ID: P213
  value: 000000010949392X
additional property: PropertyValue
  property ID: P214
  value: 3512832
additional property: PropertyValue
  property ID: P227
  value: 128013443
additional property: PropertyValue
  property ID: P269
  value: 243941994
additional property: PropertyValue
  property ID: P373
  value: Tadeusz Estreicher
additional property: PropertyValue
  property ID: P512
  value: doctorate
additional property: PropertyValue
  property ID: P569
  value: December 19, 1871
additional property: PropertyValue
  property ID: P570
  value: April 8, 1952
additional property: PropertyValue
  property ID: P646
  value: /m/091fb1
additional property: PropertyValue
  property ID: P691
  value: js2011622703
additional property: PropertyValue
  property ID: P734
  value: Estreicher
additional property: PropertyValue
  property ID: P735
  value: Tadeusz
additional property: PropertyValue
  property ID: P902
  value: 028474
additional property: PropertyValue
  property ID: P937
  value: Fribourg
additional property: PropertyValue
  property ID: P937
  value: Kraków
additional property: PropertyValue
  property ID: P1207
  value: n2008040589
confidence:
  popularity graph score:
    score: 0.011
    score pct: 1
    tier: established
    components:
      sitelinks: 12
      sitelinks norm: 0.028
      unique citations: 5
      unique citations norm: 0.002
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 12
  unique citations: 5
  monthly pageviews: 0
  yearly pageviews: 20
  pageview trend:
    m: 2026-06
    v: 11
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 7
  pageview trend:
    m: 2026-04
    v: 1
  popularity:
    sitelinks: 12
    max: 423
    pct: 2.8
  tier: established
claims:
  P18:
    value: Tadeusz Kazimierz Estreicher.jpg
    source count: 0
    confidence: 0.0
  P19:
    value: Q31487
    source count: 1
    confidence: 0.2
    value label: Kraków
  P20:
    value: Q31487
    source count: 1
    confidence: 0.2
    value label: Kraków
  P21:
    value: Q6581097
    source count: 1
    confidence: 0.2
    value label: male
  P22:
    value: Q1734173
    source count: 1
    confidence: 0.2
    value label: Karol Estreicher
  P27:
    value: Q36
    source count: 1
    confidence: 0.2
    value label: Poland
  P31:
    value: Q5
    source count: 1
    confidence: 0.2
    value label: human
  P69:
    value: Q193196
    source count: 1
    confidence: 0.2
    value label: University College London
  P69:
    value: Q189441
    source count: 0
    confidence: 0.0
    value label: Jagiellonian University
  P106:
    value: Q593644
    source count: 1
    confidence: 0.2
    value label: chemist
  P106:
    value: Q201788
    source count: 0
    confidence: 0.0
    value label: historian
  P106:
    value: Q1622272
    source count: 1
    confidence: 0.2
    value label: university teacher
  P108:
    value: Q36188
    source count: 0
    confidence: 0.0
    value label: University of Fribourg

value: Q189441
source count: 0
confidence: 0.0
value label: Jagiellonian University

value: 000000010949392X
source count: 1
confidence: 0.2

value: 3512832
source count: 2
confidence: 0.4

value: 128013443
source count: 1
confidence: 0.2

value: 243941994
source count: 1
confidence: 0.2

value: Tadeusz Estreicher
source count: 1
confidence: 0.2

value: Q849697
source count: 1
confidence: 0.2
value label: doctorate

value: +1871-12-19T00:00:00Z
source count: 1
confidence: 0.2

value: +1952-04-08T00:00:00Z
source count: 1
confidence: 0.2

value: /m/091fb1
source count: 1
confidence: 0.2

value: js2011622703
source count: 1
confidence: 0.2

value: Q21510352
source count: 0
confidence: 0.0
value label: Estreicher

value: Q19754236
source count: 0
confidence: 0.0
value label: Tadeusz

value: 028474
source count: 0
confidence: 0.0

value: Q36378
source count: 1
confidence: 0.2
value label: Fribourg

value: Q31487
source count: 1
confidence: 0.2
value label: Kraków

value: n2008040589
source count: 0
confidence: 0.0

value: Q809
source count: 0
confidence: 0.0
value label: Polish

value:
  lang: pl
  text: Tadeusz Estreicher
source count: 1
confidence: 0.2

value: a0000001045381
source count: 0
confidence: 0.0

value: 6000000015996942698
source count: 0
confidence: 0.0

value: Q154498
source count: 0
confidence: 0.0
value label: Sachsenhausen concentration camp

value: Estreicher-4
source count: 0
confidence: 0.0

value: A011087420
source count: 1
confidence: 0.2

value: 1837654
source count: 0
confidence: 0.0

value: 76237
source count: 0
confidence: 0.0

value: 9810591537005606
source count: 0
confidence: 0.0

value: 3898783
source count: 0
confidence: 0.0

value: 128013443
source count: 0
confidence: 0.0

value: psb.5362.15
source count: 1
confidence: 0.2

value: E39PBJfxcGTDbDmThyVKtPwcT3
source count: 1
confidence: 0.2

source: Freebase Data Dumps
stated in qid: Q15241312
pub year: 2013

source: Integrated Authority File
stated in qid: Q36578
retrieved: 2014-12-15

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2021-04-14

source: International Standard Name Identifier
stated in qid: Q423048

source: Sejm-Wielki.pl
stated in qid: Q93482363

wikidata id: Q445766
domain: human
level: standard
html url: https://4ort.xyz/entity/tadeusz-estreicher
markdown url: https://4ort.xyz/entity/tadeusz-estreicher.md
facts url summary: https://4ort.xyz/entity/tadeusz-estreicher/facts.json
facts url standard: https://4ort.xyz/entity/tadeusz-estreicher/facts.json
facts url full: https://4ort.xyz/entity/tadeusz-estreicher/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-14T01:26:12.250123Z
entity updated at: 2026-04-10T23:55:45.434155+00:00Z
entity created at: 2026-04-10T23:55:45.434155+00:00Z