| September 2021 | ||
| 10/09/21 | The alliance 红土-麻袋 (today: 警察po) was founded. | |
Founding members::  Longxiaobao. | ||
 The alliance reaches a population more than 5,000. | ||
| 11/09/21 | Leaving of:Longxiaobao. | |
| March 2022 | ||
| 08/03/22 | The alliance is now known as 警察. | |
| Joining of:無中肺炎 and Khal Drogo. | ||
| Leaving of:Khal Drogo. | ||
| 09/03/22 | Joining of:C朗拿度. | |
| 10/03/22 | Joining of:Khal Drogo. | |
| 16/03/22 | Joining of:M人妻收割機C. | |
| 17/03/22 | Leaving of:Khal Drogo. | |
| 20/03/22 | Joining of:銀河為一 基奧特 and JapanSmellyHi. | |
| 21/03/22 | Leaving of:銀河為一 基奧特. | |
| 23/03/22 | Joining of:銀河為一 基奧特. | |
| 24/03/22 | Leaving of:銀河為一 基奧特. | |
| 28/03/22 | The alliance is now known as 警察po. | |
| April 2022 | ||
| 05/04/22 | Joining of:銀河為一 基奧特. | |
| 09/04/22 | Leaving of:無中肺炎. | |
| 11/04/22 | Joining of:無中肺炎. | |
| July 2022 | ||
| 13/07/22 | Deletion of:銀河為一 基奧特. | |
| 28/07/22 | Deletion of:無中肺炎. | |
| August 2022 | ||
| 09/08/22 | Deletion of:C朗拿度. | |