| December 2017 | ||
| 19/12/17 | The alliance Yayoi was founded. | |
Founding members::  Yayoi. | ||
 The alliance reaches a population more than 100. | ||
| December 2017 | ||
| 19/12/17 | The alliance Yayoi was founded. | |
| Founding members:: Yayoi. | ||
| The alliance reaches a population more than 100. | ||