| March 2013 |
| 19/03/13 | The alliance POT (today: KOO) was founded. |
| Founding members::  Segy55, Akana, Vlado99, frenk, Rimmer, creke and Flipi-KO. |
|  The alliance reaches a population more than 100. |
|
| 20/03/13 | Joining of:filip424, huhinka, Andrish, Snowcek, Joda, sany20, Lisak, 7-11, firstaid and kraja02. |
| Leaving of:Rimmer and firstaid. |
| The alliance reaches a population more than 1,000. |
|
| 21/03/13 | Joining of:sehna. |
|
| 22/03/13 | Joining of:bookie22, kasius, sorrer, Joe_onTheWheels, Nami Yo, Derken, Xini, havelka, Gallia and Darkvision. |
| Leaving of:Akana and 7-11. |
|
| 23/03/13 | Joining of:Tetýsek. |
| Leaving of:sorrer. |
|
| 24/03/13 | Joining of:Míra and snoopy1. |
|
| 25/03/13 | Joining of:Afanasil. |
| Leaving of:Vlado99 and Tetýsek. |
|
| 26/03/13 | Joining of:agenor. |
| The alliance reaches a population more than 5,000. |
|
| 27/03/13 | Joining of:pan stromeček. |
|
| 30/03/13 | Joining of:Lacike. |
| Leaving of:frenk. |
| April 2013 |
|
| 01/04/13 | Leaving of:creke Flipi-KO Joe_onTheWheels Derken Darkvision and pan stromeček. |
|
| 02/04/13 | Joining of:šmejd and frenk. |
| Leaving of:Segy55 filip424 Andrish Snowcek Joda sany20 Lisak kraja02 sehna kasius Nami Yo havelka Gallia Míra Afanasil agenor Lacike šmejd and frenk. |
|
| 03/04/13 | The alliance is now known as KOO. |
|
| 08/04/13 | Leaving of:snoopy1. |
|
| 17/04/13 | Leaving of:bookie22. |
| May 2013 |
|
| 17/05/13 | Deletion of:Xini. |