| August 2016 | ||
| 17/08/16 | The alliance Sierra.B was founded. | |
Founding members::  human, bobthebuilder98 and Thanos66. | ||
 The alliance reaches a population more than 100. | ||
| September 2016 | ||
| 06/09/16 | The alliance reaches a population more than 1,000. | |
| October 2016 | ||
| 29/10/16 | Deletion of:Thanos66. | |
| November 2016 | ||
| 01/11/16 | Deletion of:bobthebuilder98. | |
| 03/11/16 | The alliance Sierra.B was canceled. | |