| February 2021 | ||
| 17/02/21 | The alliance Cordia was founded. | |
Founding members::   bluecrema. | ||
| 20/02/21 |  The alliance reaches a population more than 100. | |
| March 2021 | ||
| 03/03/21 | Joining of:Guardian. | |
| 16/03/21 | Joining of:ROADKILL41. | |
| The alliance reaches a population more than 1,000. | ||
| 25/03/21 | Leaving of:ROADKILL41. | |
| May 2021 | ||
| 07/05/21 | The alliance reaches a population more than 5,000. | |
| June 2021 | ||
| 13/06/21 | The alliance reaches a population more than 10,000. | |