| April 2015 |
| 04-26-15 | The alliance ~NFL~ (today: GCC) was founded. |
| Founding members::  NewbiE. |
|
| 04-27-15 | Joining of:CapnTyler. |
|  The alliance reaches a population more than 100. |
|
| 04-28-15 | Joining of:zano and Fengta. |
|
| 04-29-15 | Joining of:YvanCote and Alpistan. |
|
| 04-30-15 | Joining of:Keeper, Centex and Targus. |
| The alliance reaches a population more than 1,000. |
| May 2015 |
|
| 05-01-15 | Leaving of:Centex. |
|
| 05-03-15 | Leaving of:Keeper. |
|
| 05-04-15 | Leaving of:NewbiE CapnTyler and Alpistan. |
|
| 05-11-15 | Deletion of:YvanCote. |
|
| 05-14-15 | Leaving of:zano. |
|
| 05-17-15 | Leaving of:Targus. |
|
| 05-18-15 | The alliance is now known as GCC. |
| Joining of:Stargazer. |
| June 2015 |
|
| 06-15-15 | Deletion of:Stargazer. |
| July 2015 |
|
| 07-03-15 | Deletion of:Fengta. |
| The alliance GCC was canceled. |