| March 2021 |
| 23/03/21 | The alliance JZK50 was founded. |
| Founding members::  Kamieńwczajniku, Jajko, Mesiu, Ketchup, Kabanos, Hippo, stare kalosze, Lexus, Studze Kisiel, Arpegio, mordka, Ninka0, Edzio, Erer, Owulacja, Paskuda, Mruk, asddsa, Pan Tenorek, KryptoSilas, Puchaty, taktycznypocion, OmegaN, Goku, Dr.Karol and Porto. |
|  The alliance reaches a population more than 10,000. |
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| 24/03/21 | Joining of:Guma, Kurt, kolka, Jakikolwiek and cxebhu. |
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| 25/03/21 | Joining of:bagoo. |
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| 26/03/21 | Leaving of:mordka and bagoo. |
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| 27/03/21 | Joining of:Senior and azia22. |
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| 31/03/21 | Deletion of:Arpegio. |
| April 2021 |
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| 02/04/21 | Joining of:Krysia, Duditek1, Glucio, Fajka, Bobek and Miha. |
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| 05/04/21 | Joining of:ToJuzJestKoniec. |
| The alliance reaches a population more than 50,000. |
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| 06/04/21 | Joining of:Rysiek. |
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| 07/04/21 | Leaving of:ToJuzJestKoniec. |
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| 09/04/21 | Joining of:borsuck. |
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| 12/04/21 | Leaving of:taktycznypocion. |
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| 13/04/21 | Joining of:Soul. |
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| 17/04/21 | Leaving of:borsuck. |
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| 18/04/21 | Joining of:Napad Deszczu. |
| Leaving of:KryptoSilas and kolka. |
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| 19/04/21 | Leaving of:Ninka0 and Napad Deszczu. |
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| 20/04/21 | Leaving of:Duditek1. |
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| 22/04/21 | Deletion of:Jajko Mesiu Ketchup Kabanos Hippo stare kalosze Lexus Edzio Erer Owulacja Paskuda Mruk asddsa Pan Tenorek Puchaty OmegaN Goku Dr.Karol Porto Guma Kurt cxebhu Fajka Bobek and Miha. |
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| 23/04/21 | Deletion of:Studze Kisiel. |
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| 24/04/21 | Deletion of:Krysia. |
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| 26/04/21 | Deletion of:Glucio. |
| May 2021 |
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| 22/05/21 | Leaving of:Rysiek. |
| Deletion of:Senior. |
| June 2021 |
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| 22/06/21 | Deletion of:Soul. |