| February 2011 |
| 06/02/11 | The alliance BASE² was founded. |
| Founding members::  zurekboy, EatMyShorts0, gertjee7, bouwvakker and Partahemu. |
|  The alliance reaches a population more than 100. |
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| 07/02/11 | The alliance reaches a population more than 1,000. |
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| 08/02/11 | Joining of:turmilator. |
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| 09/02/11 | Joining of:monkeyman, Basseh, Dimzor, AWF, xLeonie, burger, trustin and thomastto1x. |
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| 10/02/11 | Joining of:Deadlyshadow. |
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| 12/02/11 | Leaving of:Deadlyshadow. |
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| 13/02/11 | Joining of:helfire and puntjepuntje. |
| Leaving of:Dimzor. |
| Deletion of:bouwvakker. |
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| 18/02/11 | Leaving of:zurekboy. |
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| 21/02/11 | Joining of:jelle12345. |
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| 22/02/11 | The alliance reaches a population more than 5,000. |
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| 24/02/11 | Leaving of:jelle12345. |
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| 25/02/11 | Leaving of:AWF. |
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| 27/02/11 | Joining of:otjie and visje92. |
| March 2011 |
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| 02/03/11 | Leaving of:thomastto1x and helfire. |
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| 03/03/11 | Joining of:bh2252. |
| Leaving of:otjie. |
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| 08/03/11 | Deletion of:Partahemu. |
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| 10/03/11 | Joining of:Mika. |
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| 11/03/11 | Joining of:lord niels and Benji. |
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| 16/03/11 | Leaving of:lord niels. |
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| 18/03/11 | Leaving of:trustin. |
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| 21/03/11 | Leaving of:xLeonie. |
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| 25/03/11 | Leaving of:burger. |
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| 28/03/11 | Leaving of:monkeyman. |
| April 2011 |
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| 01/04/11 | Joining of:Kamikaza. |
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| 05/04/11 | Leaving of:bh2252. |