| August 2012 | ||
| 28/08/12 | The alliance OA was founded. | |
Founding members::  Flamme, Teemo57, hanibal76, decx and LE ROI FOU. | ||
 The alliance reaches a population more than 100. | ||
| 29/08/12 | Joining of:Avink. | |
| September 2012 | ||
| 03/09/12 | Joining of:Ozaki. | |
| 04/09/12 | Leaving of:LE ROI FOU. | |
| The alliance reaches a population more than 1,000. | ||
| 06/09/12 | Joining of:yodajc69. | |
| 07/09/12 | Joining of:caligula and bibers. | |
| 08/09/12 | Joining of:bidibule. | |
| Leaving of:Avink. | ||
| 09/09/12 | Joining of:Orga. | |
| 13/09/12 | Leaving of:decx. | |
| 15/09/12 | Joining of:albatros. | |
| 21/09/12 | Leaving of:bibers. | |
| 22/09/12 | Leaving of:Ozaki yodajc69 caligula bidibule and Orga. | |
| 23/09/12 | Leaving of:hanibal76 and albatros. | |
| 25/09/12 | The alliance OA was canceled. | |