| June 2021 | ||
| 24/06/21 | The alliance O2A was founded. | |
Founding members::  lonelytiger. | ||
 The alliance reaches a population more than 100. | ||
| July 2021 | ||
| 08/07/21 | The alliance reaches a population more than 1,000. | |
| August 2021 | ||
| 15/08/21 | Joining of:Pecel. | |
| 25/08/21 | The alliance reaches a population more than 5,000. | |
| September 2021 | ||
| 09/09/21 | Deletion of:lonelytiger. | |