| March 2010 |
| 21/03/10 | The alliance 123456 (today: CH-CH) was founded. |
| Founding members::  kimi94wj, NotAProblem, abyss, Keson, guodalu, yanqi, Sean&Cloud and zhh45. |
|  The alliance reaches a population more than 100. |
|
| 22/03/10 | Joining of:tehpoipoi. |
| The alliance reaches a population more than 1,000. |
|
| 23/03/10 | The alliance is now known as CH-CH. |
| Leaving of:Keson. |
|
| 27/03/10 | Leaving of:Sean&Cloud and zhh45. |
| April 2010 |
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| 10/04/10 | Leaving of:tehpoipoi. |
|
| 24/04/10 | Deletion of:kimi94wj. |
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| 26/04/10 | Deletion of:NotAProblem. |
| May 2010 |
|
| 15/05/10 | The alliance reaches a population more than 5,000. |
| June 2010 |
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| 09/06/10 | Deletion of:abyss. |
| July 2010 |
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| 23/07/10 | Deletion of:yanqi. |