| December 2009 | ||
| 30/12/09 | The alliance Bl. Sw. (today: ObN) was founded. | |
Founding members::  Nicool and Speaker2o2. | ||
 The alliance reaches a population more than 100. | ||
| January 2010 | ||
| 08/01/10 | The alliance is now known as ObN. | |
| 09/01/10 | Joining of:bumba, dag and qwer. | |
| The alliance reaches a population more than 1,000. | ||
| 10/01/10 | Joining of:Gazer and majlicek. | |
| 11/01/10 | Joining of:jirkalev10. | |
| 12/01/10 | Joining of:spakr10, agrat and ales1. | |
| 13/01/10 | Joining of:hanes11 and Zodiac. | |
| Leaving of:dag and hanes11. | ||
| 15/01/10 | Joining of:profmik and Bam Bam Bigalow. | |
| 16/01/10 | Joining of:Pan Lama. | |
| Leaving of:Gazer. | ||
| 19/01/10 | Joining of:ajja. | |
| 21/01/10 | Leaving of:bumba. | |
| 23/01/10 | Deletion of:Speaker2o2. | |
| 24/01/10 | Leaving of:jirkalev10 and ales1. | |
| 27/01/10 | Leaving of:agrat. | |
| 30/01/10 | Leaving of:Pan Lama. | |
| February 2010 | ||
| 02/02/10 | Leaving of:profmik. | |
| 12/02/10 | Deletion of:Bam Bam Bigalow. | |
| March 2010 | ||
| 01/03/10 | Deletion of:ajja. | |
| 05/03/10 | Deletion of:Zodiac. | |