| December 2011 |
| 12/12/11 | The alliance СКФ (today: Medium-C) was founded. |
| Founding members::  iusveta, Diver, NeiLL and VladaEvil. |
|  The alliance reaches a population more than 100. |
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| 13/12/11 | Joining of:Рем and REM. |
| The alliance reaches a population more than 1,000. |
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| 14/12/11 | Joining of:Вентура. |
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| 15/12/11 | Joining of:ПринцВиктор. |
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| 18/12/11 | Joining of:Koreta. |
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| 19/12/11 | Joining of:frunzov. |
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| 20/12/11 | Joining of:ginopuricezo. |
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| 22/12/11 | The alliance is now known as Medium-C. |
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| 24/12/11 | Joining of:urat44. |
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| 25/12/11 | Joining of:joksv02. |
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| 30/12/11 | Leaving of:ПринцВиктор. |
| January 2012 |
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| 15/01/12 | Joining of:igoryan. |
| The alliance reaches a population more than 5,000. |
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| 17/01/12 | The alliance Medium-C was canceled. |