| September 2010 | ||
| 23/09/10 | The alliance AOP (today: PS) was founded. | |
Founding members::  pjczuba1. | ||
| October 2010 | ||
| 01/10/10 |  The alliance reaches a population more than 100. | |
| 29/10/10 | Joining of:Wing Man. | |
| November 2010 | ||
| 22/11/10 | Joining of:talibanac. | |
| December 2010 | ||
| 21/12/10 | Deletion of:Wing Man. | |
| January 2011 | ||
| 23/01/11 | Deletion of:pjczuba1. | |
| March 2011 | ||
| 02/03/11 | The alliance is now known as PS. | |