Mateusz Śmierzchalski
type: Person
description: Polish musician
birth date: 1982-07-18
birth place: Gdynia
nationality: Poland
has occupation: composer
additional property: PropertyValue
  property ID: P18
  value: Blindead - Mateusz 'Havoc' Śmierzchalski 01.JPG
additional property: PropertyValue
  property ID: P19
  value: Gdynia
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P27
  value: Poland
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P106
  value: composer
additional property: PropertyValue
  property ID: P136
  value: death metal
additional property: PropertyValue
  property ID: P214
  value: 1751148753682441320003
additional property: PropertyValue
  property ID: P373
  value: Mateusz Śmierzchalski
additional property: PropertyValue
  property ID: P434
additional property: PropertyValue
  property ID: P463
  value: Behemoth
additional property: PropertyValue
  property ID: P569
  value: July 18, 1982
additional property: PropertyValue
  property ID: P646
  value: /m/0_h04gf
additional property: PropertyValue
  property ID: P734
  value: Śmierzchalski
additional property: PropertyValue
  property ID: P735
  value: Mateusz
additional property: PropertyValue
  property ID: P1303
  value: guitar
additional property: PropertyValue
  property ID: P1412
  value: Polish
additional property: PropertyValue
  property ID: P1953
  value: 2045940
additional property: PropertyValue
  property ID: P1953
  value: 1599699
additional property: PropertyValue
  property ID: P1989
  value: 1014
additional property: PropertyValue
  property ID: P2031
  value: 1999
additional property: PropertyValue
  property ID: P3368
  value: 2280189
additional property: PropertyValue
  property ID: P7293
  value: 9810660955205606
additional property: PropertyValue
  property ID: P7704
  value: agent/base/143765
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: 128
      monthly pageviews norm: 0.0
  sitelinks: 5
  unique citations: 3
  monthly pageviews: 128
  yearly pageviews: 242
  pageview trend:
    m: 2026-08
    v: 128
  pageview trend:
    m: 2026-07
    v: 26
  pageview trend:
    m: 2026-06
    v: 29
  pageview trend:
    m: 2026-05
    v: 18
  pageview trend:
    m: 2026-04
    v: 41
  popularity:
    sitelinks: 5
    max: 423
    pct: 1.2
  tier: long_tail
claims:
  P18:
    value: Blindead - Mateusz 'Havoc' Śmierzchalski 01.JPG
    source count: 1
    confidence: 0.2
  P19:
    value: Q385
    source count: 1
    confidence: 0.2
    value label: Gdynia
  P21:
    value: Q6581097
    source count: 1
    confidence: 0.2
    value label: male
  P27:
    value: Q36
    source count: 0
    confidence: 0.0
    value label: Poland
  P31:
    value: Q5
    source count: 1
    confidence: 0.2
    value label: human
  P106:
    value: Q36834
    source count: 1
    confidence: 0.2
    value label: composer
  P136:
    value: Q483251
    source count: 1
    confidence: 0.2
    value label: death metal
  P214:
    value: 1751148753682441320003
    source count: 0
    confidence: 0.0
  P373:
    value: Mateusz Śmierzchalski
    source count: 1
    confidence: 0.2
  P434:
    source count: 1
    confidence: 0.2
  P463:
    value: Q272260
    source count: 1
    confidence: 0.2
    value label: Behemoth
  P569:
    value: +1982-07-18T00:00:00Z
    source count: 1
    confidence: 0.2
  P646:
    value: /m/0_h04gf
    source count: 0
    confidence: 0.0
  P734:
    value: Q28049466
    source count: 1
    confidence: 0.2
    value label: Śmierzchalski
  P735:
    value: Q10862518
    source count: 1
    confidence: 0.2
    value label: Mateusz
  P1303:
    value: Q6607
    source count: 0
    confidence: 0.0
    value label: guitar
  P1412:
    value: Q809
    source count: 0
    confidence: 0.0
    value label: Polish
  P1559:
    value:
      lang: pl
      text: Mateusz Maurycy Śmierzchalski
    source count: 1
    confidence: 0.2
  P1953:
    value: 2045940
    source count: 1
    confidence: 0.2

value: 1599699
source count: 1
confidence: 0.2

value: 1014
source count: 0
confidence: 0.0

value: +1999-00-00T00:00:00Z
source count: 1
confidence: 0.2

value: 2280189
source count: 0
confidence: 0.0

value: 9810660955205606
source count: 0
confidence: 0.0

value: agent/base/143765
source count: 1
confidence: 0.2

source: MusicBrainz
stated in qid: Q14005
retrieved: 2018-12-22

source: Discogs
stated in qid: Q504063
retrieved: 2019-07-29

source: Freebase Data Dumps
stated in qid: Q15241312

wikidata id: Q11771432
domain: human
level: standard
html url: https://4ort.xyz/entity/mateusz-mierzchalski
markdown url: https://4ort.xyz/entity/mateusz-mierzchalski.md
facts url summary: https://4ort.xyz/entity/mateusz-mierzchalski/facts.json
facts url standard: https://4ort.xyz/entity/mateusz-mierzchalski/facts.json
facts url full: https://4ort.xyz/entity/mateusz-mierzchalski/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-30T06:13:17.060097Z
entity updated at: 2026-04-10T23:25:32.730570+00:00Z
entity created at: 2026-04-10T23:25:32.730570+00:00Z