| January 2009 | ||
| 10/01/09 | The alliance S&A (today: ¥-Deffer) was founded. | |
Founding members::  Biatsch15. | ||
 The alliance reaches a population more than 1,000. | ||
| 13/01/09 | Joining of:treffic. | |
| 18/01/09 | Joining of:Trane89. | |
| 20/01/09 | Leaving of:treffic. | |
| 21/01/09 | The alliance is now known as T10AD. | |
| 26/01/09 | Leaving of:Trane89. | |
| February 2009 | ||
| 08/02/09 | Joining of:Niedermaier. | |
| 11/02/09 | Joining of:Doroteja. | |
| 18/02/09 | Joining of:Cheater9394. | |
| Leaving of:Doroteja. | ||
| 20/02/09 | Joining of:Akito-san! and lord shadowsong. | |
| The alliance reaches a population more than 5,000. | ||
| 25/02/09 | Leaving of:Cheater9394. | |
| 26/02/09 | Joining of:Plinius. | |
| The alliance reaches a population more than 10,000. | ||
| March 2009 | ||
| 09/03/09 |  The alliance have their first conquest. | |
| 18/03/09 | Joining of:Udreth II.. | |
| 28/03/09 | The alliance has done over 5 conquests. | |
| April 2009 | ||
| 03/04/09 | Joining of:eik02. | |
| 08/04/09 | Joining of:Iza. | |
| 12/04/09 | Joining of:Flame. | |
| 26/04/09 | The alliance is now known as ¥-Deffer. | |
| 30/04/09 | Joining of:TineTe. | |
| May 2009 | ||
| 01/05/09 | Joining of:xr600. | |
| 03/05/09 | Leaving of:Udreth II.. | |
| 18/05/09 | The alliance has done over 10 conquests. | |
| 28/05/09 | Joining of:sillimaus. | |
| June 2009 | ||
| 12/06/09 | Joining of:Brettl. | |
| Leaving of:Biatsch15 Akito-san! lord shadowsong and Brettl. | ||
| 13/06/09 | Leaving of:Niedermaier eik02 Flame and TineTe. | |
| 14/06/09 | Leaving of:Iza xr600 and sillimaus. | |