| February 2015 |
| 15/02/15 | The alliance Прерии was founded. |
| Founding members::  Пират. |
|  The alliance reaches a population more than 100. |
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| 16/02/15 | Joining of:samedy. |
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| 17/02/15 | Joining of:vak. |
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| 21/02/15 | The alliance reaches a population more than 1,000. |
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| 24/02/15 | Joining of:rvk. |
| March 2015 |
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| 06/03/15 | The alliance reaches a population more than 5,000. |
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| 20/03/15 | The alliance reaches a population more than 10,000. |
| April 2015 |
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| 01/04/15 |  The alliance have their first conquest. |
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| 07/04/15 | Deletion of:vak. |
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| 14/04/15 | Joining of:Ладога. |
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| 18/04/15 | The alliance has done over 5 conquests. |
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| 26/04/15 | The alliance has done over 10 conquests. |