| October 2011 | ||
| 11/10/11 | The alliance O.B. was founded. | |
Founding members::  Yaroo. | ||
| 12/10/11 | Joining of:Jarvacus and Valgar. | |
 The alliance reaches a population more than 100. | ||
| 13/10/11 | Joining of:akryl and honda. | |
| 16/10/11 | Joining of:fanasheldik. | |
| 17/10/11 | Joining of:natalia28. | |
| 24/10/11 | Joining of:wernysh and Dewil. | |
| The alliance reaches a population more than 1,000. | ||
| 28/10/11 | Joining of:Korbys. | |
| 29/10/11 | Leaving of:Korbys. | |
| November 2011 | ||
| 02/11/11 | Leaving of:wernysh. | |
| 17/11/11 | Deletion of:akryl. | |
| 28/11/11 | Deletion of:Dewil. | |
| December 2011 | ||
| 03/12/11 | Deletion of:Yaroo. | |
| 06/12/11 | Deletion of:fanasheldik and natalia28. | |
| 14/12/11 | Joining of:Knedlína. | |
| February 2012 | ||
| 29/02/12 | Deletion of:honda. | |
| April 2012 | ||
| 14/04/12 | Leaving of:Jarvacus. | |