| March 2021 | ||
| 08/03/21 | The alliance BG MUTRA was founded. | |
Founding members::  BOBO and Denislav. | ||
 The alliance reaches a population more than 100. | ||
| 09/03/21 | Joining of:BRizov1906. | |
| 10/03/21 | Joining of:Lasho, Ani, chelseaholic and bager69. | |
| Leaving of:Lasho. | ||
| The alliance reaches a population more than 1,000. | ||
| 11/03/21 | Leaving of:BOBO and Denislav. | |
| May 2021 | ||
| 02/05/21 | Deletion of:BRizov1906. | |
| June 2021 | ||
| 21/06/21 | Leaving of:Ani. | |
| August 2021 | ||
| 04/08/21 | Deletion of:chelseaholic. | |