| February 2016 |
| 29/02/16 | The alliance SW-U (today: SE-U) was founded. |
| Founding members::  Mithrandir., rigat, hancl, dmhonz, JFrancis and dk277. |
| Deletion of:Mithrandir.. |
|  The alliance reaches a population more than 1,000. |
| March 2016 |
|
| 01/03/16 | The alliance is now known as SE-U. |
| Joining of:thekill89, paksiw, Sultan Daot, afyonlu03, Holantal, lordofdark90, JonhyBoy8, godsbg, LMMM and blast. |
| Leaving of:dmhonz JFrancis Sultan Daot lordofdark90 godsbg and LMMM. |
| The alliance reaches a population more than 5,000. |
|
| 02/03/16 | Leaving of:rigat paksiw and blast. |
|
| 03/03/16 | Leaving of:hancl. |
| Deletion of:thekill89. |
|
| 10/03/16 | Deletion of:afyonlu03 and JonhyBoy8. |
| April 2016 |
|
| 02/04/16 | Deletion of:dk277. |