| March 2011 | ||
| 04/03/11 | The alliance Zetor was founded. | |
Founding members::  TOM 609. | ||
 The alliance reaches a population more than 100. | ||
| 05/03/11 | Joining of:tomherdzina and vasek613. | |
| 06/03/11 | Joining of:marmon. | |
| 12/03/11 | Joining of:the Tabor and THOMAX. | |
| 24/03/11 | Deletion of:marmon. | |
| 25/03/11 | Joining of:Jan kafka. | |
| 26/03/11 | Joining of:mcfilip. | |
| The alliance reaches a population more than 1,000. | ||
| 31/03/11 | Joining of:seal3. | |
| April 2011 | ||
| 02/04/11 | Leaving of:mcfilip. | |
| 04/04/11 | Leaving of:Jan kafka. | |
| 12/04/11 | Deletion of:seal3. | |
| 13/04/11 | Leaving of:the Tabor. | |
| 20/04/11 | Joining of:legoass. | |
| May 2011 | ||
| 22/05/11 | Deletion of:tomherdzina. | |
| July 2011 | ||
| 17/07/11 | Deletion of:vasek613. | |
| 18/07/11 | Deletion of:legoass. | |
| August 2011 | ||
| 19/08/11 | Deletion of:THOMAX. | |