| October 2020 |
| 07/10/20 | The alliance S2C (today: UNO#S2C) was founded. |
| Founding members::  Dodoske, alperentrd, AdamJr1.4, Dodoo, berk234 and MassiveStroke. |
|  The alliance reaches a population more than 100. |
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| 08/10/20 | Joining of:wjdke. |
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| 09/10/20 | Joining of:hesk, Lapulik, saLLa and Emperor Titus. |
| The alliance reaches a population more than 1,000. |
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| 11/10/20 | Joining of:pkj1997, pkj97 and FSMehmet18. |
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| 14/10/20 | Joining of:ati, GÖKTÜRK, faust, KiritoKun, atakan and karlito. |
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| 15/10/20 | The alliance is now known as UNO#S2C. |
| Joining of:Metusalem. |
| Leaving of:saLLa pkj1997 and pkj97. |
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| 16/10/20 | Joining of:Professor. |
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| 17/10/20 | Joining of:Siegward, Hulkwer, Stefan_Batory, warfaker1, جـ511ــودي, pasopati, Idefix, Olli, Wolfsok, Tecnologia, BigPuffer, Nalds, nibao, BEEFY, tresedibog, rodrik235 and BluesmanCanaya. |
| Leaving of:AdamJr1.4. |
| Deletion of:GÖKTÜRK and faust. |
| The alliance reaches a population more than 10,000. |
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| 18/10/20 | Leaving of:nibao. |
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| 19/10/20 | Joining of:Trusiel. |
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| 21/10/20 | Leaving of:MassiveStroke and atakan. |
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| 22/10/20 | Leaving of:ati and Trusiel. |
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| 23/10/20 | Joining of:nibao. |
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| 24/10/20 | Joining of:Oliver. |
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| 25/10/20 | Joining of:Enzopet. |
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| 27/10/20 | Deletion of:BigPuffer and BluesmanCanaya. |
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| 28/10/20 | Leaving of:karlito. |
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| 30/10/20 | Deletion of:berk234 and wjdke. |
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| 31/10/20 | Leaving of:alperentrd FSMehmet18 and pasopati. |
| November 2020 |
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| 02/11/20 | Deletion of:BEEFY. |
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| 03/11/20 | Leaving of:Oliver. |
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| 04/11/20 | Leaving of:Professor tresedibog and rodrik235. |
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| 05/11/20 | Leaving of:Dodoske hesk Lapulik Metusalem Siegward Hulkwer Stefan_Batory warfaker1 جـ511ــودي Idefix Olli Wolfsok Tecnologia nibao and Enzopet. |
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| 06/11/20 | Leaving of:Nalds. |
| Deletion of:Dodoo. |
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| 07/11/20 | Leaving of:Emperor Titus. |
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| 09/11/20 | The alliance UNO#S2C was canceled. |