| May 2017 | ||
| 07/05/17 | The alliance SUD X (today: SUDC) was founded. | |
Founding members::  mp27, account, Pueblo, Flute, cat, lume, firicel, tataie and nick. | ||
 The alliance reaches a population more than 100. | ||
| 08/05/17 | Joining of:chagrin. | |
| Leaving of:chagrin. | ||
| The alliance reaches a population more than 1,000. | ||
| 10/05/17 | Leaving of:mp27. | |
| 11/05/17 | The alliance is now known as SUDC. | |
| Deletion of:Pueblo Flute lume firicel and tataie. | ||
| 12/05/17 | Deletion of:cat. | |