| March 2018 | ||
| 16/03/18 | The alliance NINE (today: OET) was founded. | |
Founding members::  nine. | ||
 The alliance reaches a population more than 1,000. | ||
| April 2018 | ||
| 03/04/18 | The alliance is now known as TEN. | |
Joining of: NEWLIFE. | ||
| The alliance reaches a population more than 5,000. | ||
| 22/04/18 | The alliance reaches a population more than 10,000. | |
| 28/04/18 | The alliance is now known as OET. | |
| August 2018 | ||
| 13/08/18 |  The alliance have their first conquest. | |