| March 2020 |
| 10/03/20 | The alliance ORCA was founded. |
| Founding members::  Lupo, Kosmos, Slaw, Žvejka and Bzdocha. |
|  The alliance reaches a population more than 1,000. |
|
| 12/03/20 | Joining of:kubiak44. |
|
| 15/03/20 | Joining of:Grajgen. |
|
| 18/03/20 | Leaving of:Kosmos. |
|
| 20/03/20 | Joining of:Valerian. |
| Deletion of:Bzdocha. |
| April 2020 |
|
| 07/04/20 | Leaving of:Lupo. |
|
| 11/04/20 | Deletion of:Slaw. |
|
| 20/04/20 | Deletion of:Valerian. |
| May 2020 |
|
| 21/05/20 | Deletion of:kubiak44. |
| June 2020 |
|
| 16/06/20 | Deletion of:Grajgen. |
| August 2020 |
|
| 30/08/20 | Deletion of:Žvejka. |
| The alliance ORCA was canceled. |