| April 2019 | ||
| 14/04/19 | The alliance SEAL was founded. | |
Founding members::  Animal. | ||
 The alliance reaches a population more than 100. | ||
| 15/04/19 | The alliance reaches a population more than 1,000. | |
| 28/04/19 | Joining of:calipso. | |
| June 2019 | ||
| 23/06/19 | The alliance reaches a population more than 5,000. | |
| July 2019 | ||
| 03/07/19 | Leaving of:calipso. | |
| August 2019 | ||
| 30/08/19 | The alliance SEAL was canceled. | |