| January 2021 |
| 08/01/21 | The alliance 1x2ODR (today: UnionEU) was founded. |
| Founding members::  Leonydas, Thar07, Kings, Stone and UnicFusion. |
| Leaving of:Leonydas. |
|  The alliance reaches a population more than 100. |
|
| 09/01/21 | Joining of:XXL, Taipan, StarkeMan, AoS, rickyto, Stigmata, Aninjo, Snoopy, mouagni and mrdratini13. |
| Leaving of:Snoopy. |
| The alliance reaches a population more than 1,000. |
|
| 10/01/21 | Joining of:Alpaslan_iku, feirão and djpastor. |
| Leaving of:Thar07 Kings StarkeMan Stigmata mouagni and Alpaslan_iku. |
| The alliance reaches a population more than 5,000. |
|
| 11/01/21 | Joining of:miso332, Maja19, Odins0n, KAZISVET, Oestement and energie. |
| Leaving of:djpastor. |
|
| 12/01/21 | Joining of:SANDRA19, Onelove, Rakel1991, TulkinS, hanzi111, pot, Coveram and Maltez. |
| The alliance reaches a population more than 10,000. |
|
| 13/01/21 | Joining of:TAYYIBEOLUM, PEPONE and paranoia. |
| Leaving of:Oestement. |
|
| 14/01/21 | Joining of:Bagaço, Dede08 and Tautviss. |
| Leaving of:Odins0n. |
|
| 15/01/21 | Joining of:xico roma, Unificador, godezila and Bels. |
| Deletion of:TAYYIBEOLUM. |
|
| 16/01/21 | Leaving of:Maja19 and Bels. |
|
| 17/01/21 | The alliance is now known as 1x2 Euro. |
| Joining of:walgio, deedlymaster, DAHAKA, guerreiro, Kurrela, Angrypanda5, peter c, mcrishotmail, Koelho11, simos27, pepino147, Pesadão, Ahile, Juggernaut, welocitas, banditten75, Dill-in-0, Salkkukalja, Hemoroid, Mbrown, Shadowat and Terror. |
| Deletion of:Coveram. |
|
| 18/01/21 | The alliance is now known as UnionEU. |
| Joining of:valec75, Aberronchos, Sofiasilva and yxkzen. |
|
| 19/01/21 | Joining of:winnie, DjBulva, Hellokittiens, Xena and Pomsta. |
| Leaving of:Onelove and Hemoroid. |
| The alliance reaches a population more than 50,000. |
|
| 20/01/21 | Joining of:Kings, Carlo Escobar and Arya II. |
| Leaving of:AoS KAZISVET hanzi111 paranoia Unificador Dill-in-0 valec75 and DjBulva. |
|  The alliance have their first conquest. |
|
| 21/01/21 | Joining of:headache and Mindaugas. |
| Leaving of:Bagaço. |
|
| 22/01/21 | Joining of:PACHECO, Vesi and Thyreophora. |
| Leaving of:miso332 and Ahile. |
|
| 23/01/21 | Joining of:ZeP, ALLUPATO, kaplanhalil and kismanus. |
| Leaving of:energie TulkinS pot godezila Shadowat Kings Arya II Mindaugas and Vesi. |
|
| 24/01/21 | Joining of:Kiviperse, Haloze22 and Gadzen. |
|
| 25/01/21 | Joining of:davidlema, Alex9226 and Barbarossa. |
| The alliance has done over 5 conquests. |
|
| 26/01/21 | Joining of:Tiagorpl, alves, TaZeSwayss and Nesuvaldomas. |
| Leaving of:mrdratini13 Tautviss Terror and Alex9226. |
|
| 27/01/21 | Joining of:TaZeReplayss, Horytoz and D11r. |
| Leaving of:Taipan. |
|
| 28/01/21 | Joining of:benelli and marujo101. |
| Leaving of:yxkzen. |
| The alliance reaches a population more than 100,000. |
|
| 29/01/21 | Joining of:vesselam. |
| Leaving of:Aninjo and Aberronchos. |
| The alliance has done over 10 conquests. |
|
| 31/01/21 | Joining of:astlirk and foxys. |
| Leaving of:Rakel1991 Hellokittiens Barbarossa and foxys. |
| February 2021 |
|
| 01/02/21 | Joining of:Táltos56, Ebola and noir. |
|
| 02/02/21 | Joining of:Hellmore. |
| Leaving of:welocitas. |
|
| 03/02/21 | Leaving of:PEPONE headache and marujo101. |
| Deletion of:Dede08 and Gadzen. |
|
| 04/02/21 | Joining of:mejoras and Deiv. |
| Deletion of:Ebola. |
|
| 05/02/21 | Joining of:nanosilva, kliokutis, Bkzlt, vaides, CrOwN and dubyssa. |
| Leaving of:rickyto. |
|
| 06/02/21 | Leaving of:TaZeReplayss. |
|
| 07/02/21 | The alliance has done over 20 conquests. |
|
| 08/02/21 | Leaving of:TaZeSwayss. |
|
| 09/02/21 | Leaving of:feirão and Juggernaut. |
|
| 10/02/21 | Leaving of:Carlo Escobar and noir. |
|
| 12/02/21 | Deletion of:vesselam. |
|
| 13/02/21 | Leaving of:Salkkukalja Mbrown kismanus Nesuvaldomas Horytoz Hellmore and CrOwN. |
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| 16/02/21 | Joining of:AKINCILAR. |
| Leaving of:banditten75 and alves. |
|
| 20/02/21 | Leaving of:PACHECO and dubyssa. |