| June 2015 |
| 05/06/15 | The alliance O.O.C was founded. |
| Founding members::  perf, ratatack, Arotu.Dodg, ArtémisValkyrie, dax, vir, anny, bouga, Pacha, Bloodrincer and bibiche. |
|  The alliance reaches a population more than 100. |
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| 06/06/15 | Leaving of:anny bouga Pacha and Bloodrincer. |
| The alliance reaches a population more than 1,000. |
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| 07/06/15 | Joining of:_Black0ut_, a7one and fouad. |
| Leaving of:_Black0ut_. |
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| 08/06/15 | Joining of:Upce, J&M, doudouche6, mimie16600, Lambooze and J3N06. |
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| 09/06/15 | Joining of:Overrated, Belial984 and monsteur666. |
| Leaving of:bibiche. |
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| 10/06/15 | Joining of:strimoide23, Freezan, cellendhyl, skalix, squalou, DRUMMER-70, Dragonjumper and laju13. |
| Leaving of:doudouche6. |
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| 11/06/15 | Joining of:Bigboy and alkin. |
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| 14/06/15 | Joining of:clementdom. |
| Leaving of:perf. |
| Deletion of:Freezan. |
| The alliance reaches a population more than 5,000. |
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| 15/06/15 | Joining of:KARIBOU and anne69. |
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| 16/06/15 | Deletion of:fouad. |
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| 17/06/15 | Leaving of:Upce mimie16600 Belial984 and clementdom. |
| Deletion of:vir Lambooze and DRUMMER-70. |
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| 19/06/15 | Leaving of:KARIBOU and anne69. |
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| 21/06/15 | Leaving of:ArtémisValkyrie cellendhyl squalou and laju13. |
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| 22/06/15 | Leaving of:alkin. |
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| 23/06/15 | Deletion of:J&M. |
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| 24/06/15 | Leaving of:ratatack and a7one. |
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| 26/06/15 | Leaving of:J3N06 and strimoide23. |
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| 28/06/15 | Leaving of:Bigboy. |
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| 30/06/15 | Leaving of:Overrated and Dragonjumper. |
| July 2015 |
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| 07/07/15 | Leaving of:skalix. |
| August 2015 |
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| 02/08/15 | Deletion of:Arotu.Dodg. |
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| 17/08/15 | Deletion of:monsteur666. |
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| 18/08/15 | Deletion of:dax. |
| The alliance O.O.C was canceled. |