| October 2017 | ||
| 06/10/17 | The alliance OMA was founded. | |
Founding members::  TheEvilQueen and eizthenoob. | ||
| Leaving of:TheEvilQueen. | ||
 The alliance reaches a population more than 100. | ||
| March 2018 | ||
| 13/03/18 | Deletion of:eizthenoob. | |
| The alliance OMA was canceled. | ||