| March 2009 |
| 26/03/09 | The alliance *sen* (today: SL-S-PWR) was founded. |
| Founding members::  laughingkooka, morrighan and Versoversed. |
|  The alliance reaches a population more than 100. |
|
| 29/03/09 | Joining of:Grassnibbler. |
| April 2009 |
|
| 03/04/09 | Joining of:hoyu. |
|
| 05/04/09 | Joining of:-5iLv32-, jay and ree_adi. |
| The alliance reaches a population more than 1,000. |
|
| 07/04/09 | Joining of:pikminmasta and Alvin_Button. |
|
| 08/04/09 | Joining of:getsuga232. |
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| 09/04/09 | Joining of:mightymouse, .mantis and cuzzy. |
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| 10/04/09 | Joining of:Daibutsu. |
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| 11/04/09 | The alliance is now known as PWR-SEN. |
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| 13/04/09 | Joining of:Noisygirl. |
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| 14/04/09 | Leaving of:Alvin_Button. |
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| 15/04/09 | Joining of:Ro-Energy, Da man, mullstarca and MrPudge. |
| Leaving of:Ro-Energy. |
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| 17/04/09 | Joining of:dawab. |
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| 22/04/09 | Joining of:GAS and 2kilos. |
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| 23/04/09 | Joining of:amitgarg1501. |
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| 25/04/09 | Leaving of:getsuga232. |
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| 27/04/09 | Joining of:xLogiCz. |
| May 2009 |
|
| 02/05/09 | Leaving of:-5iLv32- and cuzzy. |
| The alliance reaches a population more than 5,000. |
|
| 03/05/09 | Deletion of:GAS and 2kilos. |
|
| 05/05/09 | The alliance is now known as SL-S-PWR. |
|
| 06/05/09 | Joining of:chifbigin, Cotto, chichi, Bree Bree, runaway, InGodWeTrust, RollickingRoger and kool kat. |
| Leaving of:runaway. |
|
| 07/05/09 | Joining of:mickeilersen, bear_essentials, nuttie69, davistar and Shinigami. |
|
| 08/05/09 | Joining of:warewolf. |
| Leaving of:Cotto. |
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| 09/05/09 | Joining of:mrkiller, runaway, kama12, ruger, Wheats, Platypus Dan, snakes and kenshinjr. |
| Deletion of:dawab. |
|
| 10/05/09 | Joining of:Zingbats and boysie06. |
| The alliance reaches a population more than 10,000. |
|
| 11/05/09 | Joining of:furryfury and Alvin_Button. |
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| 12/05/09 | Joining of:BeachedKiwi. |
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| 13/05/09 | Joining of:Great King 2. |
| Deletion of:.mantis. |
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| 15/05/09 | Joining of:mome. |
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| 16/05/09 | Joining of:MARIA, Hammerlord, elias, mavs, aslanbayram and Regime. |
| Leaving of:Great King 2. |
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| 17/05/09 | Joining of:trainonfire, Renai, Takuan, sana and Ahura. |
| Leaving of:boysie06. |
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| 18/05/09 | Joining of:Bren. |
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| 20/05/09 | Joining of:boysie06 and zhackool01. |
| Leaving of:ree_adi. |
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| 21/05/09 | Leaving of:chifbigin. |
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| 23/05/09 | Joining of:oh hai and Dovedale. |
| Leaving of:Platypus Dan. |
| Deletion of:Versoversed. |
|
| 24/05/09 | Leaving of:Zingbats. |
| Deletion of:zhackool01. |
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| 26/05/09 | Deletion of:InGodWeTrust. |
|
| 27/05/09 | Joining of:Platypus Dan. |
| Deletion of:Alvin_Button. |
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| 28/05/09 | Leaving of:mightymouse. |
|
| 30/05/09 | Joining of:Thorn. |
| Leaving of:amitgarg1501 aslanbayram and Platypus Dan. |
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| 31/05/09 | Leaving of:mrkiller and Renai. |
| June 2009 |
|
| 01/06/09 | Leaving of:kama12. |
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| 03/06/09 | Leaving of:warewolf and Regime. |
|
| 05/06/09 | Joining of:looodi and evilredfin. |
|
| 06/06/09 | Leaving of:xLogiCz. |
| Deletion of:elias. |
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| 08/06/09 | Joining of:Great King 2. |
|
| 11/06/09 | Deletion of:trainonfire. |
|
| 13/06/09 | Joining of:Bugu-bugu, Sthinz and Regime. |
| Leaving of:hoyu and evilredfin. |
|
| 16/06/09 | Joining of:LuskE.1. |
| Leaving of:boysie06. |
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| 18/06/09 | Deletion of:oh hai. |
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| 19/06/09 | Joining of:tc_honey. |
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| 20/06/09 | Joining of:Goodie and Carm. |
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| 22/06/09 | Leaving of:Goodie. |
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| 23/06/09 | Leaving of:pikminmasta. |
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| 24/06/09 | Leaving of:mickeilersen. |
| Deletion of:MARIA. |
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| 27/06/09 | Deletion of:RollickingRoger. |
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| 29/06/09 | Joining of:Stealthy. |
| Leaving of:looodi. |
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| 30/06/09 | Deletion of:BeachedKiwi and Hammerlord. |
| July 2009 |
|
| 01/07/09 | Joining of:poobumwee. |
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| 02/07/09 | Joining of:Goodie. |
| Leaving of:sana. |
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| 04/07/09 | Leaving of:Wheats. |
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| 05/07/09 | Joining of:pikminmasta. |
| Deletion of:Sthinz. |
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| 06/07/09 | Leaving of:Great King 2. |
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| 07/07/09 | Joining of:nikevada, The Enemy, obelix, andy99 and xdoraemon. |
| Deletion of:Daibutsu. |
|
| 08/07/09 | Joining of:doofy, Kellanian and tranhoangho. |
| Leaving of:Goodie. |
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| 09/07/09 | Joining of:sarah. |
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| 10/07/09 | Joining of:Sydney007, Zabet, The Cow and Chris314. |
| Leaving of:snakes. |
|
| 11/07/09 | Joining of:Bioman. |
| Leaving of:doofy and sarah. |
|
| 15/07/09 | Joining of:belters and john cena. |
| Leaving of:jay and mavs. |
|
| 18/07/09 | Leaving of:laughingkooka morrighan davistar Thorn LuskE.1 Stealthy Bioman and belters. |
|
| 19/07/09 | Leaving of:Bree Bree kool kat nuttie69 runaway kenshinjr Bugu-bugu Regime poobumwee pikminmasta nikevada The Enemy obelix Kellanian The Cow Chris314 and john cena. |
| Deletion of:Takuan. |
|
| 20/07/09 | Leaving of:Grassnibbler Noisygirl Da man MrPudge andy99 xdoraemon and Sydney007. |
|
| 21/07/09 | Leaving of:chichi furryfury Bren Dovedale and Carm. |
|
| 22/07/09 | Deletion of:tc_honey. |
| The alliance SL-S-PWR was canceled. |