| March 2011 |
| 28/03/11 | The alliance Kos was founded. |
| Founding members::  ianos and Pompeius. |
|  The alliance reaches a population more than 1,000. |
| April 2011 |
|
| 03/04/11 | Joining of:z1ck and NizZen. |
|
| 10/04/11 | Joining of:NocXy. |
|
| 20/04/11 | The alliance reaches a population more than 5,000. |
| May 2011 |
|
| 11/05/11 | The alliance reaches a population more than 10,000. |
|
| 25/05/11 |  The alliance have their first conquest. |
| June 2011 |
|
| 08/06/11 | The alliance has done over 5 conquests. |
|
| 28/06/11 | Joining of:toben and TargaX. |
| July 2011 |
|
| 08/07/11 | The alliance has done over 10 conquests. |
|
| 11/07/11 | Deletion of:TargaX. |
| August 2011 |
|
| 18/08/11 | The alliance reaches a population more than 50,000. |
| September 2011 |
|
| 01/09/11 | Leaving of:NizZen NocXy and toben. |
|
| 02/09/11 | The alliance Kos was canceled. |