| May 2015 | ||
| 26/05/15 | The alliance SKTopp (today: SKT) was founded. | |
Founding members::  Lady Aurora, Nioz, NoUprIseS, NeXus and KactuX. | ||
 The alliance reaches a population more than 100. | ||
| 28/05/15 | Joining of:Jenka. | |
| 29/05/15 | The alliance reaches a population more than 1,000. | |
| 31/05/15 | Joining of:Josguss, Miss glossy and pfighter. | |
| June 2015 | ||
| 01/06/15 | Joining of:Rickyjohn and GrevenAbdullah. | |
| 04/06/15 | Joining of:nihilo96. | |
| 05/06/15 | The alliance is now known as SKT. | |
| 06/06/15 | The alliance reaches a population more than 5,000. | |
| 14/06/15 | Joining of:uniibet. | |
| Leaving of:Josguss. | ||
| 15/06/15 | The alliance reaches a population more than 10,000. | |
| 24/06/15 | Deletion of:KactuX. | |
| 30/06/15 | Leaving of:nihilo96. | |
| July 2015 | ||
| 10/07/15 | Leaving of:NeXus Miss glossy and GrevenAbdullah. | |
| 12/07/15 | Leaving of:Nioz Jenka Rickyjohn and uniibet. | |
| 16/07/15 | Joining of:Nioz. | |
| 26/07/15 | Deletion of:Nioz. | |
| August 2015 | ||
| 28/08/15 | Leaving of:Lady Aurora and NoUprIseS. | |