| March 2019 | ||
| 09/03/19 | The alliance BBB (today: s.e.s) was founded. | |
Founding members::  Fantstone. | ||
| 10/03/19 | The alliance is now known as s.e.s. | |
 The alliance reaches a population more than 100. | ||
| May 2019 | ||
| 27/05/19 | The alliance reaches a population more than 1,000. | |