| July 2021 | ||
| 03/07/21 | The alliance yeni (today: bst) was founded. | |
Founding members::  laz,  Yavuz and zeynep. | ||
 The alliance reaches a population more than 1,000. | ||
| 08/07/21 | Joining of:cumali. | |
| 09/07/21 | The alliance is now known as bst. | |
| 29/07/21 | Joining of:Rize. | |
| Leaving of:Rize. | ||
| August 2021 | ||
| 02/08/21 | Joining of:Rize. | |
| The alliance reaches a population more than 5,000. | ||
| 04/08/21 | Leaving of:Rize. | |
| 31/08/21 | Leaving of:laz and Yavuz. | |
| September 2021 | ||
| 11/09/21 | Leaving of:cumali. | |