| April 2021 |
| 10/04/21 | The alliance BF7M (today: CH) was founded. |
| Founding members::  Simplet, Timide, Dormeur, Walker, Prof, Joyeux and Grincheux. |
|  The alliance reaches a population more than 1,000. |
|
| 13/04/21 | The alliance reaches a population more than 5,000. |
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| 18/04/21 | The alliance reaches a population more than 10,000. |
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| 23/04/21 | Joining of:snow White. |
| May 2021 |
|
| 13/05/21 | The alliance reaches a population more than 50,000. |
|  The alliance have their first conquest. |
|
| 16/05/21 | The alliance has done over 5 conquests. |
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| 18/05/21 | The alliance has done over 10 conquests. |
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| 24/05/21 | The alliance has done over 20 conquests. |
| June 2021 |
|
| 01/06/21 | Joining of:Maxcounet. |
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| 04/06/21 | The alliance reaches a population more than 100,000. |
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| 13/06/21 | The alliance has done over 50 conquests. |
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| 28/06/21 | The alliance is now known as CH. |
| July 2021 |
|
| 11/07/21 | Deletion of:Prof. |
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| 12/07/21 | Deletion of:Walker. |
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| 14/07/21 | Leaving of:Grincheux. |
| Deletion of:Maxcounet. |
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| 21/07/21 | Leaving of:snow White. |
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| 22/07/21 | Leaving of:Joyeux. |