| May 2015 | ||
| 28/05/15 | The alliance Tartarus was founded. | |
Founding members::  Saga and GACO. | ||
 The alliance reaches a population more than 100. | ||
| 31/05/15 | Joining of:Creed. | |
| June 2015 | ||
| 04/06/15 | The alliance reaches a population more than 1,000. | |
| July 2015 | ||
| 05/07/15 | Leaving of:Saga. | |
| 23/07/15 | The alliance reaches a population more than 5,000. | |
| August 2015 | ||
| 19/08/15 | Deletion of:Creed. | |
| October 2015 | ||
| 26/10/15 | The alliance reaches a population more than 10,000. | |