| June 2021 |
| 01/06/21 | The alliance U.K.B was founded. |
| Founding members::  WantedR, maku, Zotya66, Hegyi ember, Mokusmisi, Falusi, farkascicc, Janszyka, szupernagyi, Vadcica, Chubi, Palinka100, Valena, lepard, Chazzy, ParasztLovi, Geddi, Lady76, benfer, Jutas, Axe, Hor, Togoru, NightWish, safranyi, ToRaN, pepa14, Acker&Bully, wrong&men, watermelon, i39 and Nandow. |
|  The alliance reaches a population more than 1,000. |
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| 02/06/21 | Joining of:Eszeske, TeaParty and Freja. |
| Leaving of:NightWish. |
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| 03/06/21 | Joining of:Snuffancs, Noslen, Tier, soul killer and katsu. |
| The alliance reaches a population more than 5,000. |
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| 07/06/21 | Joining of:A HÉV Vezető, thomi26, benner, zaphyr, JGabor35, Adie30, atkinson and Obbagydns. |
| The alliance reaches a population more than 10,000. |
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| 09/06/21 | Joining of:Marduk and nemember. |
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| 12/06/21 | Joining of:Centurio. |
| Leaving of:JGabor35. |
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| 14/06/21 | Leaving of:Axe. |
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| 15/06/21 | Joining of:nyögés. |
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| 16/06/21 | Deletion of:Noslen. |
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| 17/06/21 | The alliance reaches a population more than 50,000. |
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| 18/06/21 | Deletion of:TeaParty. |
|  The alliance have their first conquest. |
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| 20/06/21 | Deletion of:WantedR. |
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| 21/06/21 | The alliance is now known as S-U. |
| Leaving of:Togoru and A HÉV Vezető. |
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| 22/06/21 | Joining of:Triumviratus. |
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| 23/06/21 | Leaving of:Centurio. |
| The alliance has done over 5 conquests. |
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| 25/06/21 | Deletion of:nemember. |
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| 26/06/21 | Leaving of:Hor. |
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| 28/06/21 | Leaving of:benner. |
| July 2021 |
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| 01/07/21 | The alliance reaches a population more than 100,000. |
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| 03/07/21 | Leaving of:thomi26. |
| Deletion of:katsu. |
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| 04/07/21 | Joining of:Doctore, VAL, kerambit, Splendor22, Cuxoi2119, gokler789, Krazy, Jubo, Come back, Nogay and Criss. |
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| 05/07/21 | Joining of:Chaverinho10 and Cream Caramel. |
| Deletion of:nyögés. |
| The alliance has done over 10 conquests. |
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| 06/07/21 | Joining of:Meatman, Kartal, ALAKAZAM, mesut62 and smmmeniac. |
| Leaving of:gokler789. |
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| 09/07/21 | Joining of:Rage and lakkky. |
| Deletion of:Jubo. |
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| 10/07/21 | Leaving of:zaphyr. |
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| 21/07/21 | Deletion of:Come back. |
| The alliance has done over 20 conquests. |
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| 22/07/21 | Deletion of:ToRaN. |
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| 23/07/21 | Leaving of:Marduk. |
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| 29/07/21 | Joining of:deeppurple and killer. |
| Leaving of:Nogay. |
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| 31/07/21 | Leaving of:safranyi and Cream Caramel. |
| August 2021 |
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| 01/08/21 | Leaving of:Cuxoi2119. |
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| 03/08/21 | The alliance is now known as U.K.B. |
| Leaving of:Doctore. |
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| 04/08/21 | Leaving of:smmmeniac deeppurple and killer. |
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| 05/08/21 | Leaving of:lakkky. |
| Deletion of:Krazy. |
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| 06/08/21 | Joining of:Palmera, yiyo and Blue Spirit. |
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| 07/08/21 | Joining of:EigenVolkEerst. |
| Deletion of:Criss and Chaverinho10. |