| April 2011 | ||
| 22/04/11 | The alliance =GF= (today: =ZF=) was founded. | |
Founding members::  Brother, fenixxxx and manson1234. | ||
 The alliance reaches a population more than 100. | ||
| 23/04/11 | Joining of:longas. | |
| The alliance reaches a population more than 1,000. | ||
| 25/04/11 | Joining of:zenek, zbyszko and SolDaToS. | |
| 26/04/11 | Joining of:Szkop. | |
| 29/04/11 | Joining of:Speedman and Brodacz. | |
| May 2011 | ||
| 07/05/11 | The alliance is now known as =ZF=. | |
| 08/05/11 | Leaving of:longas. | |
| 15/05/11 | Leaving of:SolDaToS and Speedman. | |
| 28/05/11 | Leaving of:Szkop. | |
| 29/05/11 | Deletion of:fenixxxx. | |
| June 2011 | ||
| 11/06/11 | Leaving of:Brother. | |
| 12/06/11 | Leaving of:Brodacz. | |
| August 2011 | ||
| 13/08/11 | Deletion of:manson1234. | |
| October 2011 | ||
| 27/10/11 | Deletion of:zenek. | |