| October 2018 | ||
| 25/10/18 | The alliance Sigma was founded. | |
Founding members::  Sigma. | ||
 The alliance reaches a population more than 100. | ||
| December 2018 | ||
| 24/12/18 | The alliance reaches a population more than 1,000. | |
| October 2018 | ||
| 25/10/18 | The alliance Sigma was founded. | |
| Founding members:: Sigma. | ||
| The alliance reaches a population more than 100. | ||
| December 2018 | ||
| 24/12/18 | The alliance reaches a population more than 1,000. | |