| March 2009 | ||
| 20/03/09 | The alliance PlaMayor was founded. | |
Founding members::  alexis9 and Pacorron. | ||
 The alliance reaches a population more than 100. | ||
| 23/03/09 | Joining of:corominas. | |
| 24/03/09 | Joining of:PIKE and mauricio46. | |
| 25/03/09 | Joining of:begoña and anths. | |
| 28/03/09 | Joining of:sanmiguel. | |
| 31/03/09 | The alliance reaches a population more than 1,000. | |
| April 2009 | ||
| 02/04/09 | Joining of:ELoY_SaNdRiTa. | |
| 07/04/09 | Joining of:polio. | |
| 17/04/09 | Joining of:yoyu. | |
| Deletion of:begoña. | ||
| 21/04/09 | Joining of:adler. | |
| 22/04/09 | Joining of:paronamix xxl. | |
| Leaving of:alexis9 and paronamix xxl. | ||
| 29/04/09 | Joining of:josemi85. | |
| May 2009 | ||
| 06/05/09 | Joining of:iko. | |
| 17/05/09 | Joining of:jjk. | |
| 20/05/09 | The alliance reaches a population more than 5,000. | |
| 23/05/09 | Deletion of:polio. | |
| June 2009 | ||
| 10/06/09 | Leaving of:PIKE sanmiguel ELoY_SaNdRiTa iko and jjk. | |
| 11/06/09 | Leaving of:Pacorron. | |
| 12/06/09 | Joining of:iko. | |
| 18/06/09 | Leaving of:yoyu. | |
| 20/06/09 | Deletion of:adler. | |
| July 2009 | ||
| 03/07/09 | Deletion of:anths. | |
| 23/07/09 | Deletion of:iko. | |
| 29/07/09 | Leaving of:josemi85. | |
| August 2009 | ||
| 30/08/09 | Deletion of:mauricio46. | |