| April 2009 | ||
| 18/04/09 | The alliance T.B.A (today: A&4) was founded. | |
Founding members::  Lozg_89, tukangkayu and cereasetst. | ||
 The alliance reaches a population more than 1,000. | ||
| 19/04/09 | The alliance is now known as A&4. | |
| Joining of:haloman. | ||
| Leaving of:cereasetst and haloman. | ||
| 21/04/09 | Joining of:norpex and barm. | |
| 23/04/09 | Joining of:guest. | |
| Deletion of:guest. | ||
| 28/04/09 | Joining of:vel. | |
| May 2009 | ||
| 05/05/09 | Leaving of:barm. | |
| 07/05/09 | Leaving of:tukangkayu. | |
| 09/05/09 | Leaving of:Lozg_89. | |
| 12/05/09 | Deletion of:norpex. | |