| June 2015 |
| 05/06/15 | The alliance IBG (today: Z E R O) was founded. |
| Founding members::  wowo, Crisis, kapitang, coral, polar, Michaelv, forzo, silent, MOT and wallbreaker. |
|  The alliance reaches a population more than 100. |
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| 06/06/15 | The alliance is now known as Z E R O. |
| Joining of:helena, royjqn, betran and tommy. |
| The alliance reaches a population more than 1,000. |
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| 07/06/15 | Joining of:vayireh. |
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| 08/06/15 | Joining of:capa and cipi. |
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| 09/06/15 | Joining of:Runut and Bokayu. |
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| 10/06/15 | Joining of:gloria, valentino, alesana, anita and ARS. |
| The alliance reaches a population more than 5,000. |
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| 11/06/15 | Joining of:PrematureLlama, lazydazy and kacang tanah. |
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| 12/06/15 | Joining of:zolado, comex and gorilla. |
| The alliance reaches a population more than 10,000. |
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| 14/06/15 | Leaving of:PrematureLlama. |
| Deletion of:alesana. |
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| 17/06/15 | Joining of:JoshRei. |
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| 18/06/15 | Joining of:TONEIAL. |
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| 20/06/15 | Leaving of:forzo. |
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| 22/06/15 | Joining of:forzo and Mightytuga. |
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| 23/06/15 | Leaving of:TONEIAL. |
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| 24/06/15 | Joining of:Hotshot and mindmyown. |
| Leaving of:coral polar gloria valentino anita zolado comex and gorilla. |
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| 26/06/15 | Joining of:Valhalla, agropanonka and cluster. |
| Deletion of:wowo. |
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| 27/06/15 | Joining of:aayam. |
| July 2015 |
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| 01/07/15 | Deletion of:aayam. |
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| 03/07/15 | Deletion of:helena. |
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| 05/07/15 | Leaving of:kacang tanah. |
| Deletion of:Crisis MOT Runut and Bokayu. |
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| 07/07/15 | Leaving of:Mightytuga and cluster. |
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| 08/07/15 | Leaving of:mindmyown. |
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| 09/07/15 | Deletion of:kapitang. |
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| 11/07/15 | Leaving of:Hotshot. |
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| 24/07/15 | Deletion of:agropanonka. |
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| 25/07/15 | Deletion of:Valhalla. |