| April 2013 |
| 15/04/13 | The alliance .... (today: OSC BAZ) was founded. |
| Founding members::  Evil bb. |
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| 16/04/13 | The alliance is now known as OSC. |
| Joining of:PT Warriors, buzdovan, Tinkfan, Fire Eagle, öôö, Omnipus, Secret Garden, Emteking, Towlie, Discover, Evil Clowns, dexter, Mutant 3 Farms, Miishra, Saarela, grinder, YoursForever, Whhatever, Kaligula, Sheep, Tztook, Savant, memo-n, UltraV, skully, Shogunate, Pink Unicorn, NonBeliever and Blue. |
| Leaving of:Saarela. |
|  The alliance reaches a population more than 1,000. |
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| 17/04/13 | Joining of:COME AT ME BRO., temporian, Bored Dragon and Blue Dragon. |
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| 18/04/13 | Joining of:BTBoy, mirko p, Hairy girl, jacca, Penetrator, IRI5H P5YCHO, Berchta, Aphroditus, gieltie, Pera, iPhone and leorarmy123. |
| The alliance reaches a population more than 5,000. |
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| 20/04/13 | Joining of:Cody999, Mugo and DDKTheRipper. |
| The alliance reaches a population more than 10,000. |
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| 21/04/13 | Joining of:Hannibal, rj17 and Aragorn. |
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| 22/04/13 | Joining of:napoli10, king10 and fatboyjim. |
| Leaving of:Penetrator. |
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| 23/04/13 | Joining of:shamfy and zombies. |
| Leaving of:COME AT ME BRO.. |
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| 24/04/13 | Joining of:HaraBathat, akashi, ashish and Backstabber. |
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| 25/04/13 | The alliance is now known as OSC BAZ. |
| Joining of:UGI-no-SATO and smervyy. |
| Leaving of:YoursForever. |
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| 26/04/13 | Leaving of:gieltie. |
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| 28/04/13 | Joining of:Dark_Ronak. |
| Leaving of:Blue. |
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| 29/04/13 | Joining of:Instinct. |
| Leaving of:Sheep and HaraBathat. |
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| 30/04/13 | Joining of:King gaul. |
| Deletion of:temporian. |
| May 2013 |
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| 01/05/13 | Joining of:Imkiller and Tequila. |
| The alliance reaches a population more than 50,000. |
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| 02/05/13 | Leaving of:Shogunate and Aragorn. |
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| 03/05/13 | Joining of:titan2758. |
| Leaving of:UltraV. |
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| 05/05/13 | Joining of:Reborn. |
|  The alliance have their first conquest. |
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| 06/05/13 | Leaving of:memo-n. |
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| 08/05/13 | Leaving of:napoli10. |
| The alliance reaches a population more than 100,000. |
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| 11/05/13 | Leaving of:Kaligula. |
| Deletion of:DDKTheRipper. |
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| 12/05/13 | Joining of:capi. |
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| 13/05/13 | Joining of:Naruto. |
| The alliance has done over 5 conquests. |
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| 14/05/13 | Joining of:Draup. |
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| 15/05/13 | Joining of:nous. |
| Leaving of:nous. |
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| 16/05/13 | Deletion of:IRI5H P5YCHO. |
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| 17/05/13 | Joining of:BKK CHRIS and Oskarfbt. |
| Deletion of:grinder. |
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| 18/05/13 | Joining of:nous. |
| The alliance has done over 10 conquests. |
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| 19/05/13 | Leaving of:Blue Dragon. |
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| 21/05/13 | Joining of:DrakoLarZ and LatTiMeR. |
| The alliance has done over 20 conquests. |
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| 22/05/13 | Joining of:crazytown1. |
| Leaving of:Dark_Ronak. |
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| 24/05/13 | Leaving of:Pera. |
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| 25/05/13 | Joining of:twyoga. |
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| 27/05/13 | Joining of:Blue Dragon. |
| Leaving of:Whhatever and King gaul. |
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| 28/05/13 | Deletion of:titan2758. |
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| 29/05/13 | Leaving of:Pink Unicorn Backstabber Reborn and capi. |
| The alliance has done over 50 conquests. |
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| 30/05/13 | Joining of:rattler, pursho and BarronTheGreat. |
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| 31/05/13 | Joining of:StealthElf and WildHorses. |
| Deletion of:Berchta. |
| June 2013 |
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| 01/06/13 | Joining of:OxygenThieves and Backstabber. |
| Leaving of:iPhone. |
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| 03/06/13 | Deletion of:akashi. |
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| 04/06/13 | Leaving of:leorarmy123. |
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| 05/06/13 | Leaving of:DrakoLarZ and crazytown1. |
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| 07/06/13 | Leaving of:Savant. |
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| 08/06/13 | Joining of:TrueHarlequin. |
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| 09/06/13 | Joining of:HuS.TeR. |
| The alliance has done over 100 conquests. |
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| 15/06/13 | Leaving of:smervyy. |
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| 17/06/13 | Leaving of:skully. |
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| 18/06/13 | Joining of:freya. |
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| 19/06/13 | Joining of:Cavalloalato. |
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| 20/06/13 | Leaving of:king10. |
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| 22/06/13 | Deletion of:StealthElf. |
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| 23/06/13 | Joining of:Snime. |
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| 24/06/13 | Joining of:XoOoX and WorkForAzrael. |
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| 25/06/13 | Leaving of:Backstabber. |
| The alliance reaches a population more than 500,000. |
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| 26/06/13 | Joining of:Black Storm. |
| The alliance has done over 200 conquests. |
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| 27/06/13 | Joining of:burakcurry30 and cobra3. |
| Deletion of:Miishra. |
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| 30/06/13 | Leaving of:nous. |
| July 2013 |
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| 04/07/13 | Joining of:Stienuh. |
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| 06/07/13 | Leaving of:Tztook. |
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| 07/07/13 | Joining of:CURUT. |
| Deletion of:WildHorses. |
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| 09/07/13 | Joining of:dusty. |
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| 10/07/13 | Leaving of:rattler and pursho. |
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| 11/07/13 | Deletion of:burakcurry30. |
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| 23/07/13 | Leaving of:zombies and Draup. |
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| 24/07/13 | Leaving of:Imkiller. |
| Deletion of:shamfy. |
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| 25/07/13 | Leaving of:Naruto. |
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| 27/07/13 | Leaving of:buzdovan. |
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| 28/07/13 | Joining of:Draup. |
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| 29/07/13 | Deletion of:Black Storm. |
| August 2013 |
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| 04/08/13 | Deletion of:WorkForAzrael. |
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| 06/08/13 | Joining of:King kid. |
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| 10/08/13 | The alliance has done over 500 conquests. |
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| 13/08/13 | Deletion of:BKK CHRIS. |
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| 16/08/13 | Leaving of:Oskarfbt and freya. |
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| 17/08/13 | Leaving of:Snime. |
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| 26/08/13 | Deletion of:Stienuh. |
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| 28/08/13 | Leaving of:Instinct and HuS.TeR. |
| September 2013 |
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| 02/09/13 | Deletion of:Tequila. |
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| 03/09/13 | Deletion of:NonBeliever. |