| April 2018 | ||
| 22/04/18 | The alliance Bigscity was founded. | |
Founding members::  Bigscity. | ||
 The alliance reaches a population more than 100. | ||
| June 2018 | ||
| 08/06/18 | The alliance reaches a population more than 1,000. | |
| April 2018 | ||
| 22/04/18 | The alliance Bigscity was founded. | |
| Founding members:: Bigscity. | ||
| The alliance reaches a population more than 100. | ||
| June 2018 | ||
| 08/06/18 | The alliance reaches a population more than 1,000. | |