| August 2014 |
| 03/08/14 | The alliance OMA was founded. |
| Founding members::  dlsohm. |
|  The alliance reaches a population more than 100. |
|
| 10/08/14 | The alliance reaches a population more than 1,000. |
|
| 24/08/14 | Joining of:One Piece. |
| The alliance reaches a population more than 5,000. |
| September 2014 |
|
| 02/09/14 | Joining of:deadsven. |
|
| 03/09/14 | Joining of:joejoez. |
| The alliance reaches a population more than 10,000. |
|
| 04/09/14 | Leaving of:deadsven. |
|
| 20/09/14 | Leaving of:joejoez. |
|
| 30/09/14 | Deletion of:dlsohm. |
| October 2014 |
|
| 01/10/14 | Deletion of:One Piece. |
| The alliance OMA was canceled. |