| September 2017 | ||
| 23/09/17 | The alliance BM was founded. | |
Founding members::  CAM-METAL, tisato, やまけん, Roxas and nob_usui. | ||
 The alliance reaches a population more than 1,000. | ||
| October 2017 | ||
| 05/10/17 | Joining of:ミカサ. | |
| 06/10/17 | The alliance reaches a population more than 5,000. | |
| 20/10/17 | Leaving of:Roxas. | |
| November 2017 | ||
| 01/11/17 | The alliance reaches a population more than 10,000. | |
| January 2018 | ||
| 16/01/18 | Deletion of:tisato. | |
| 25/01/18 | Deletion of:CAM-METAL. | |