| September 2012 |
| 20/09/12 | The alliance Ñ_Ñ (today: UNIDOS A) was founded. |
| Founding members::  Rwsheck, ribexo, Achernar, fanboy, Gochy37, Dark nightmare, Viuda Negra, PANICO, Remus, Alley Oop, Tic, mirko el loco, ANTALON and Team Gusa. |
|  The alliance reaches a population more than 1,000. |
|
| 21/09/12 | Joining of:baktriks, antigabachos and fjsl. |
|
| 22/09/12 | Joining of:trustgod. |
| Leaving of:trustgod. |
|
| 24/09/12 | The alliance is now known as UNIDOS A. |
| Joining of:RBQ. |
|
| 25/09/12 | Joining of:Jinete Druida and Zaracateca. |
|
| 27/09/12 | Joining of:trustgod. |
|
| 29/09/12 | Joining of:DaDuDeS and mouxtro. |
| The alliance reaches a population more than 5,000. |
| October 2012 |
|
| 03/10/12 | Joining of:GoodLike. |
| The alliance reaches a population more than 10,000. |
|
| 10/10/12 | Leaving of:Rwsheck ribexo fanboy Gochy37 Alley Oop and fjsl. |
|
| 11/10/12 | Leaving of:Dark nightmare Remus Tic mirko el loco Team Gusa and GoodLike. |
|
| 12/10/12 | Leaving of:Viuda Negra and mouxtro. |
|
| 13/10/12 | Leaving of:Achernar PANICO baktriks RBQ Jinete Druida Zaracateca trustgod and DaDuDeS. |
|
| 14/10/12 | The alliance UNIDOS A was canceled. |