| October 2011 | ||
| 08/10/11 | The alliance 15cpowa was founded. | |
Founding members::  Yodapowa, Yataaaa and Sebux. | ||
 The alliance reaches a population more than 1,000. | ||
| November 2011 | ||
| 13/11/11 | The alliance reaches a population more than 5,000. | |
| January 2012 | ||
| 17/01/12 | Deletion of:Sebux. | |
| February 2012 | ||
| 28/02/12 | Deletion of:Yataaaa. | |