| June 2018 |
| 19/06/18 | The alliance M|K+ (today: O.B.H+) was founded. |
| Founding members::  بحر الدم and مدريدي. |
|  The alliance reaches a population more than 1,000. |
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| 22/06/18 | Joining of:Destroyer, dragon, killer007 and miss.roman. |
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| 23/06/18 | The alliance is now known as O.B.H+. |
| Joining of:amer. |
| July 2018 |
|
| 10/07/18 |  The alliance have their first conquest. |
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| 22/07/18 | The alliance reaches a population more than 5,000. |
| August 2018 |
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| 30/08/18 | Deletion of:بحر الدم. |
| September 2018 |
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| 28/09/18 | Deletion of:Destroyer dragon killer007 and miss.roman. |