| June 2015 |
| 07/06/15 | The alliance ATR (today: -ART-) was founded. |
| Founding members::  louping13. |
|  The alliance reaches a population more than 100. |
|
| 08/06/15 | Joining of:vinadai. |
| The alliance reaches a population more than 1,000. |
|
| 14/06/15 | Joining of:PITI67. |
| July 2015 |
|
| 09/07/15 | Joining of:Dx-EterNiTy. |
|
| 26/07/15 | Joining of:weightmasieu. |
|
| 29/07/15 | The alliance reaches a population more than 5,000. |
|
| 30/07/15 | Joining of:WILKO06. |
| August 2015 |
|
| 01/08/15 | The alliance is now known as -ART-. |
| Joining of:leonberth. |
|
| 04/08/15 | Joining of:Aldeiadowebxx. |
|
| 09/08/15 | Deletion of:vinadai. |
|
| 26/08/15 | Deletion of:PITI67. |
|
| 27/08/15 | Leaving of:louping13. |
| October 2015 |
|
| 28/10/15 | Deletion of:Dx-EterNiTy. |