| April 2019 |
| 22/04/19 | The alliance C3 (today: C4) was founded. |
| Founding members::  Acerbic and Lucius. |
|  The alliance reaches a population more than 5,000. |
|
| 23/04/19 | The alliance is now known as C4. |
| Joining of:Tribalwarrior, Templar, Redjim, wimba and 7Wilson7. |
| Leaving of:Templar. |
| The alliance reaches a population more than 10,000. |
|
| 27/04/19 | Deletion of:wimba. |
| May 2019 |
|
| 02/05/19 | Leaving of:Redjim. |
|
| 04/05/19 | Deletion of:Lucius. |
|
| 06/05/19 | Deletion of:Tribalwarrior. |
|
| 08/05/19 | Deletion of:7Wilson7. |
|
| 16/05/19 | Deletion of:Acerbic. |
| The alliance C4 was canceled. |