| April 2009 |
| 06/04/09 | The alliance MCR (today: UAO - M) was founded. |
| Founding members::  imcfci and Jaco. |
|  The alliance reaches a population more than 100. |
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| 07/04/09 | Joining of:kee and Just!. |
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| 09/04/09 | Joining of:happyus. |
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| 14/04/09 | Joining of:Mnewrath. |
| Leaving of:kee. |
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| 15/04/09 | Joining of:piraterdh. |
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| 16/04/09 | Joining of:mac-turck. |
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| 17/04/09 | Joining of:Lord Guy. |
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| 18/04/09 | Joining of:fzh2p0. |
| The alliance reaches a population more than 1,000. |
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| 21/04/09 | Leaving of:happyus. |
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| 25/04/09 | Joining of:los lobos. |
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| 28/04/09 | Joining of:same. |
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| 29/04/09 | Joining of:Dodorocks. |
| Leaving of:fzh2p0. |
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| 30/04/09 | Joining of:Rehclip. |
| May 2009 |
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| 01/05/09 | Joining of:Hickmon. |
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| 02/05/09 | Joining of:bobthebuilder. |
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| 04/05/09 | Joining of:War God. |
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| 07/05/09 | The alliance is now known as UAO - M. |
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| 11/05/09 | Leaving of:same. |
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| 12/05/09 | Leaving of:Dodorocks. |
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| 14/05/09 | Deletion of:Lord Guy. |
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| 31/05/09 | The alliance reaches a population more than 5,000. |
| June 2009 |
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| 18/06/09 | Leaving of:bobthebuilder. |