@MateuszNiemyjski #1985638218

30 October 2020

account created (per Roblox API)

18 Aug 2026, 00:09

last measured (UTC)

Username record

@MateuszNiemyjski — observed 18 August 2026

Roblox’s API lists prior usernames without dates; the dates above are when this register observed each name, which bounds — but is not — the change date.

Groups owned (as measured)

Qing Gang#11361322

Gezew Armed Militia#9269278

Państwo Obungijskie#10616333

united zagreb gang#10090532

Serbian Voivodeship#32568817

Tetrovsk#17051798

Karontya#5931967

République Fӷançaise#11992270

9

Najemnicy ze Świdwinia#15134099

9

Mängəstä Ityop'p'yа#16032501

9

Wolne Miаsto Gdańsk#10391555

8

Patriotic Communal Front#15512991

7

Legia Nadwiślańsκa#13166029

6

Tuvinskaja Narodno-Revoljucionnaja Armija#17315541

6

l'armée du ouest#11798892

6

wrzos fanklub dobry super robloks grupa janczkiwec#10945535

6

Masuria#32656876

5

Yehudia#32325626

5

Revolutionary Blockistan#15826135

5

Regnօ di Napoli#14834539

5

Pułk 13-ty#15721739

5

Komitet Rewolucyjny#15252484

4

II RzeczypospoIita#15078056

4

Aryjska Republika Adamowa#17392985

4

Kompania Trójzębu Ukraińskiego#13038500

4

zach74604#12181506

4

Lilpop, Rau i Loewenstein#13035371

4

Sailor Republic of Maoban#32427671

4

Mind Fischmann & Associates#15446216

3

Idishe Freye Korp#15911044

3

No-Tax Republic#16434364

3

Gdańskie Woysko Powstańcze#15245505

3

Silesian Patriatchy#13418333

3

Kompania Małopolska#13038512

3

[KÖ] Österreichisches Armee#12006397

3

Kraljevska Vojska Jugoslavije#15485909

3

[KH] The Kingdom of Heather#10706059

3

Kurfürstеntum Bayern#15540428

3

Fischland#33543097

3

Squid Division#15925293

2

Kompania Żmudzka#13038428

2

15e Régimеnt d'Infanterie Légère#14461845

2

Karontyan Armed Forces#9387513

2

Checheno-Ingush People's Republic#32529629

2

Kortenian State#15444944

2

Bataafse Armée Nationale#15231057

2

Mazovian Free Territory#14730608

1

Checheno-Ingush Workers' Bureau#34080614

1

Bohemská Konfederace#34149883

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

Nichijou#1083010 · Yuuko

Kiniovia#4325925 · member

Schizophrenic Esperanto Clique#11817347 · Member

Fisch & Company#32716540 · Intelligentsia

Gelderlаnd#8104188 · Citizenry of Gelderland

Volostne Voysko Litovske#34688525 · Member

9

Kongresówka#10166307 · -

6

Yugasena#35747473 · Yodha

6

Septimanie#34826689 · Solidariste

5

1. Dywizja Piech. im. Tadeusza Kościuszki#16068296 · Member

5

Bosanska Republika#16721744 · Member

5

Koltermani Ploughmen's Union#17086006 · Militant for the cause

4

Fisch's Revolutionary Corps#16872591 · Corpsman

3

Sаfinim#34189266 · Sklaber

3

Nuovo Regno Napoletano#16930961 · Surdato

2

Leígúss Sаfinim#34189352 · Melch

2

Оdra#46336111 · Member

2

Qishn#32646102 · Lord-protector of Qishn

1

Blockistani Front for National Liberation#34081681 · Ārlietu Tautas Komisārs

1

Regnum Rоmanorum#35274144 · Rex

1

Republic of Nord#33114598 · Commissaire-Général

1

Military Republic of Cassiopeia#33462661 · The General

1

Apethes#33476304 · Head oligarch

1

Tоnga#33621171 · Wielki Xiąże

1

Checheno-Ingush Ground Corps#34080598 · General Secretary of the Party

1

State of New Horn#33225008 · Governor-General

1

Redarii#34185191 · Knez

1

Bohemska Armáda#34149894 · Owner

1

Bаsel#34816546 · Baselsstatthalter

1

Metastaat Hessen#35049779 · Fäldherr

1

Shenzhen Sweatshop#35069728 · Owner

1

República Revolucionaria de Río Grande#15761415 · Presidente

1

Polish Peоple's Army#16599365 · I sxekrxetarz KC PZPR

1

1. Polish Corps#15320092 · Generał Porucznik

Membership and rank as measured from this user’s public group list.