| March 2018 | ||
| 17/03/18 | The alliance opefb was founded. | |
Founding members::  opefb. | ||
 The alliance reaches a population more than 100. | ||
| May 2018 | ||
| 30/05/18 | The alliance reaches a population more than 1,000. | |
| March 2018 | ||
| 17/03/18 | The alliance opefb was founded. | |
| Founding members:: opefb. | ||
| The alliance reaches a population more than 100. | ||
| May 2018 | ||
| 30/05/18 | The alliance reaches a population more than 1,000. | |