| July 2013 |
| 13/07/13 | The alliance HORIZON was founded. |
| Founding members::  Margosha and krazzyasian. |
|  The alliance reaches a population more than 100. |
|
| 14/07/13 | Joining of:Kender and mohaburh. |
|
| 15/07/13 | Joining of:mark68604 and mohammadhm1375. |
|
| 16/07/13 | Joining of:simmi4, roadstar and twinkletoes. |
|
| 17/07/13 | Joining of:dabermaster. |
| The alliance reaches a population more than 1,000. |
|
| 19/07/13 | Joining of:Obtymmos. |
| Leaving of:mohammadhm1375 and twinkletoes. |
|
| 20/07/13 | Joining of:freestíík.sk and Faylon. |
| Leaving of:mark68604. |
|
| 21/07/13 | Joining of:Vizhran. |
|
| 23/07/13 | Joining of:rayan96 and maekar. |
|
| 24/07/13 | Joining of:Pasiu and Sapphire. |
|
| 26/07/13 | Joining of:Laxative. |
| Leaving of:simmi4. |
|
| 28/07/13 | Joining of:merder19. |
| Leaving of:Pasiu. |
|
| 29/07/13 | Joining of:Theruyen. |
|
| 31/07/13 | Deletion of:Kender and merder19. |
| August 2013 |
|
| 02/08/13 | The alliance is now known as SP-HORZN. |
| Joining of:BuShkaib Hero. |
|
| 03/08/13 | Leaving of:Faylon and rayan96. |
| Deletion of:Obtymmos. |
|
| 04/08/13 | Joining of:Ymahe. |
|
| 06/08/13 | Joining of:JxCleave and icakaunv. |
|
| 10/08/13 | Leaving of:Laxative. |
|
| 11/08/13 | Joining of:aldk13. |
|
| 12/08/13 | Joining of:moet, Proximus and king dragon. |
| The alliance reaches a population more than 5,000. |
|
| 13/08/13 | Deletion of:maekar. |
|
| 17/08/13 | Joining of:mnm0114. |
| Leaving of:Proximus. |
| Deletion of:Vizhran. |
|
| 18/08/13 | Joining of:alexstef, 3pings, Brim and C4TCHY N4ME. |
| Leaving of:icakaunv. |
|
| 19/08/13 | Joining of:olin, Sunstrider, electric avenue and QTSik. |
| Leaving of:aldk13 and C4TCHY N4ME. |
|
| 20/08/13 | Joining of:Ganang, zaghi and Fisherman. |
| Deletion of:Brim. |
|
| 24/08/13 | Leaving of:dabermaster. |
|
| 25/08/13 | Leaving of:mohaburh and Theruyen. |
|
| 26/08/13 | Leaving of:3pings. |
| September 2013 |
|
| 04/09/13 | Leaving of:freestíík.sk. |
|
| 07/09/13 | The alliance reaches a population more than 10,000. |
|
| 09/09/13 | The alliance is now known as HORIZON. |
|
| 11/09/13 | Leaving of:mnm0114. |
| Deletion of:zaghi. |
|
| 12/09/13 | Leaving of:krazzyasian Sapphire BuShkaib Hero Ymahe JxCleave moet alexstef olin Sunstrider electric avenue and QTSik. |
|
| 13/09/13 | Leaving of:Margosha roadstar Ganang and Fisherman. |
| November 2013 |
|
| 16/11/13 | Deletion of:king dragon. |
| The alliance HORIZON was canceled. |