| December 2020 | ||
| 20/12/20 | The alliance rhAMCA (today: (Rh)) was founded. | |
Founding members::  AMCA. | ||
 The alliance reaches a population more than 1,000. | ||
| 23/12/20 | The alliance is now known as (Rh). | |
| Joining of:SON ROMA. | ||
| 26/12/20 | Joining of:adres. | |
| The alliance reaches a population more than 5,000. | ||
| 31/12/20 | Leaving of:AMCA. | |
| January 2021 | ||
| 06/01/21 | Joining of:AMCA. | |
| 08/01/21 | Leaving of:AMCA. | |
| 17/01/21 | Joining of:AMCA. | |
| 27/01/21 | Leaving of:AMCA. | |
| February 2021 | ||
| 02/02/21 | Joining of:AMCA. | |
| March 2021 | ||
| 02/03/21 | The alliance (Rh) was canceled. | |