| August 2021 | ||
| 15/08/21 | The alliance UNNIS (today: -BA-) was founded. | |
Founding members::  S3line. | ||
 The alliance reaches a population more than 100. | ||
| November 2021 | ||
| 29/11/21 | Deletion of:S3line. | |
| 30/11/21 | The alliance is now known as -BA-. | |
Joining of: Josie01, Krieger, gnom44, Popo the Pepper and Julius.minor. | ||
| The alliance reaches a population more than 1,000. | ||