| February 2013 |
| 02-12-13 | The alliance xxHFxx (today: xxGTxx) was founded. |
| Founding members::  Supermanx13. |
|
| 02-13-13 | Joining of:Leon, asdf and Sub-Zero 4. |
|  The alliance reaches a population more than 100. |
|
| 02-14-13 | The alliance is now known as xxGTxx. |
| Joining of:Zig. |
|
| 02-15-13 | Deletion of:asdf. |
|
| 02-17-13 | Joining of:shettanxjoul. |
| The alliance reaches a population more than 1,000. |
|
| 02-26-13 | Leaving of:Leon. |
|
| 02-28-13 | Joining of:Skybax. |
| March 2013 |
|
| 03-17-13 | Leaving of:Sub-Zero 4. |
| Deletion of:Zig. |
|
| 03-22-13 | Joining of:Sub-Zero 4. |
| Leaving of:Sub-Zero 4. |
| April 2013 |
|
| 04-12-13 | Deletion of:Skybax. |