| September 2012 |
| 16/09/12 | The alliance paz (today: union Z) was founded. |
| Founding members::  nortesjm, LoL Master, Rasputin, joanett, Harry, UDANE, drakoraul, kurt and Chato 12. |
|  The alliance reaches a population more than 100. |
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| 18/09/12 | The alliance is now known as paz. |
| Joining of:LoL Master, Rasputin, joanett, Harry, UDANE, drakoraul, kurt, Chato 12 and nortesjm. |
| Leaving of:Harry. |
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| 19/09/12 | The alliance is now known as paz.es. |
| Joining of:-TeMaCrO-, Tokapelotas and ardid. |
| The alliance reaches a population more than 1,000. |
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| 20/09/12 | Joining of:ouch!!!. |
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| 24/09/12 | The alliance is now known as union Z. |
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| 27/09/12 | Joining of:pacheo79. |
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| 30/09/12 | Joining of:Kittus. |
| October 2012 |
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| 01/10/12 | The alliance reaches a population more than 5,000. |
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| 07/10/12 | Leaving of:ardid. |
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| 08/10/12 | Leaving of:kurt. |
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| 09/10/12 | Leaving of:UDANE and drakoraul. |
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| 10/10/12 | Leaving of:Kittus. |
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| 11/10/12 | Leaving of:Chato 12 -TeMaCrO- Tokapelotas and ouch!!!. |
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| 12/10/12 | Leaving of:pacheo79. |
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| 13/10/12 | The alliance union Z was canceled. |