| April 2021 | ||
| 08/04/21 | The alliance Sitter2 was founded. | |
Founding members::  Dreadnought. | ||
 The alliance reaches a population more than 1,000. | ||
| May 2021 | ||
| 18/05/21 | The alliance reaches a population more than 5,000. | |
| August 2021 | ||
| 31/08/21 | The alliance Sitter2 was canceled. | |