| May 2019 |
| 07/05/19 | The alliance ぷろのうみん was founded. |
| Founding members::  mrekie, Kreus, msgsm and Nalu. |
|  The alliance reaches a population more than 100. |
|
| 09/05/19 | The alliance reaches a population more than 1,000. |
|
| 12/05/19 | Joining of:noobmaster6969. |
|
| 21/05/19 | Joining of:dondon. |
|
| 30/05/19 | The alliance reaches a population more than 5,000. |
| June 2019 |
|
| 16/06/19 | The alliance reaches a population more than 10,000. |
| July 2019 |
|
| 31/07/19 | Joining of:xpon-thunder. |
| August 2019 |
|
| 01/08/19 |  The alliance have their first conquest. |
|
| 07/08/19 | Joining of:まるはら. |
|
| 11/08/19 | Joining of:atarax. |
|
| 12/08/19 | Deletion of:まるはら. |
|
| 31/08/19 | The alliance reaches a population more than 50,000. |
| September 2019 |
|
| 13/09/19 | Deletion of:mrekie. |
| October 2019 |
|
| 16/10/19 | Deletion of:Kreus msgsm and Nalu. |
|
| 18/10/19 | Deletion of:dondon. |
| November 2019 |
|
| 17/11/19 | Leaving of:xpon-thunder and atarax. |