| November 2011 |
| 27/11/11 | The alliance ДАК (today: cool деф) was founded. |
| Founding members::  крошка1. |
|  The alliance reaches a population more than 100. |
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| 28/11/11 | Joining of:Bigbandr. |
| The alliance reaches a population more than 1,000. |
|
| 29/11/11 | The alliance is now known as cool деф. |
| December 2011 |
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| 06/12/11 | Joining of:ROME VS, asasa and vano 420. |
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| 11/12/11 | Joining of:povsekaki. |
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| 12/12/11 | Joining of:topytoper. |
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| 16/12/11 | Joining of:nachit. |
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| 22/12/11 | Leaving of:Bigbandr asasa povsekaki and topytoper. |
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| 23/12/11 | Leaving of:крошка1. |
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| 24/12/11 | Leaving of:ROME VS. |
| January 2012 |
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| 16/01/12 | Deletion of:nachit. |