| September 2012 |
| 22/09/12 | The alliance LPV 12 (today: UNION 12) was founded. |
| Founding members::  LPV Bambi, LPV-Yotuel, LPV - MTA2, LPV- monipy, RorroElToxico, elhooke, AURORA BOREAL, GORDO MARIO, tzunzmix, LPV-Bulldog, SBolivar, pipirisnight, METALWICHO, Yuko, lvptiiburon007, Raffa, LPV TULKAS and LPV Hellcor. |
|  The alliance reaches a population more than 1,000. |
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| 23/09/12 | Joining of:lpv zxcazador, Apapú, LPVEl Demoledor, lpv renzox and UAPO. |
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| 24/09/12 | The alliance is now known as UNION 12. |
| Joining of:Deathphyscian. |
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| 26/09/12 | Leaving of:lpv renzox. |
| The alliance reaches a population more than 5,000. |
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| 27/09/12 | Joining of:freddy. |
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| 30/09/12 | Leaving of:LPV-Yotuel elhooke AURORA BOREAL GORDO MARIO SBolivar Yuko lvptiiburon007 Raffa LPV TULKAS and LPVEl Demoledor. |
| October 2012 |
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| 01/10/12 | Leaving of:LPV Bambi LPV- monipy LPV-Bulldog pipirisnight METALWICHO and LPV Hellcor. |
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| 02/10/12 | Leaving of:RorroElToxico and Deathphyscian. |
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| 03/10/12 | Leaving of:LPV - MTA2 and Apapú. |
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| 04/10/12 | Leaving of:UAPO. |
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| 05/10/12 | Leaving of:tzunzmix and freddy. |
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| 10/10/12 | The alliance UNION 12 was canceled. |