| April 2020 | ||
| 29/04/20 | The alliance SYS was founded. | |
Founding members::  psx, Cpt. Carrot, SAS, SOLYOM, gogo, CSIRKE and BAGOLY. | ||
 The alliance reaches a population more than 100. | ||
| May 2020 | ||
| 02/05/20 | The alliance reaches a population more than 1,000. | |
| 03/05/20 | Leaving of:psx. | |
| 06/05/20 | Deletion of:gogo. | |
| August 2020 | ||
| 25/08/20 | Deletion of:BAGOLY. | |
| 27/08/20 | Deletion of:SAS. | |
| 29/08/20 | Deletion of:Cpt. Carrot and SOLYOM. | |
| September 2020 | ||
| 11/09/20 | Deletion of:CSIRKE. | |
| The alliance SYS was canceled. | ||