| April 2012 | ||
| 14/04/12 | The alliance S.P.D (today: S.D.P) was founded. | |
Founding members::  Flashover2012 and Bullock. | ||
 The alliance reaches a population more than 1,000. | ||
| 15/04/12 | The alliance is now known as S.D.P. | |
| June 2012 | ||
| 06/06/12 | The alliance reaches a population more than 5,000. | |
| August 2012 | ||
| 02/08/12 | The alliance reaches a population more than 10,000. | |