| September 2017 |
| 09-06-17 | The alliance #CRO was founded. |
| Founding members::  Bustag. |
|  The alliance reaches a population more than 100. |
|
| 09-13-17 | Joining of:fraguille, zephorn and adrianphh. |
|
| 09-14-17 | The alliance reaches a population more than 1,000. |
|
| 09-15-17 | Joining of:YOUgonLRN2day. |
|
| 09-19-17 | Joining of:Pairyshow. |
|
| 09-26-17 | Joining of:Headafix. |
| October 2017 |
|
| 10-08-17 | Deletion of:YOUgonLRN2day. |
|
| 10-15-17 | Joining of:sgd. |
|
| 10-24-17 | Leaving of:sgd. |
|
| 10-31-17 | Leaving of:zephorn. |
| November 2017 |
|
| 11-01-17 | Leaving of:fraguille and Headafix. |
|
| 11-28-17 | Deletion of:adrianphh. |
| December 2017 |
|
| 12-11-17 | Deletion of:Pairyshow. |
| January 2018 |
|
| 01-01-18 | Deletion of:Bustag. |
| The alliance #CRO was canceled. |