| March 2020 |
| 21/03/20 | The alliance OB was founded. |
| Founding members::  didusiik, cocochoco, ludax, batchi, ondra91 and bludnej. |
|  The alliance reaches a population more than 100. |
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| 22/03/20 | Joining of:thybas. |
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| 23/03/20 | Joining of:Pajinka921, Omat, andrejmm and Rambo 12. |
| The alliance reaches a population more than 1,000. |
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| 24/03/20 | Joining of:Peto202 and AweSomeJelen. |
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| 26/03/20 | Joining of:Biznisacik and Dudy. |
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| 27/03/20 | Joining of:Yianur. |
| Leaving of:thybas. |
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| 28/03/20 | Joining of:ALANAD. |
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| 29/03/20 | Joining of:Míra and kipa. |
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| 30/03/20 | Joining of:Palaiologos and bicekz. |
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| 31/03/20 | Joining of:czechmachine, Marda, RouDie27 and davco. |
| The alliance reaches a population more than 5,000. |
| April 2020 |
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| 01/04/20 | Joining of:Dendulinka and Nick Jick. |
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| 02/04/20 | Joining of:Genius. |
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| 03/04/20 | Joining of:JohankoDeArc, amazonek, eMuLaToR and tana. |
| Leaving of:eMuLaToR. |
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| 04/04/20 | Joining of:Matto34. |
| Leaving of:batchi ondra91 Peto202 AweSomeJelen Biznisacik Dudy Yianur bicekz czechmachine Marda RouDie27 davco and tana. |
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| 05/04/20 | Leaving of:didusiik cocochoco ludax bludnej Omat and Míra. |
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| 06/04/20 | Joining of:fialamartas, Voky, bioenzym, z64 and pabo85. |
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| 07/04/20 | Joining of:Wirus Chujowy. |
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| 08/04/20 | Joining of:Vlci. |
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| 09/04/20 | Leaving of:fialamartas and Wirus Chujowy. |
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| 10/04/20 | Joining of:qakos. |
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| 11/04/20 | Joining of:tana and tomek741. |
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| 12/04/20 | Joining of:ginger. |
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| 15/04/20 | Leaving of:kipa Nick Jick and pabo85. |
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| 16/04/20 | Leaving of:Rambo 12 Palaiologos and Voky. |
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| 17/04/20 | Leaving of:Dendulinka Matto34 tana and tomek741. |
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| 18/04/20 | Leaving of:ALANAD. |
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| 19/04/20 | The alliance OB was canceled. |