| March 2013 | ||
| 04/03/13 | The alliance CZ-P (today: CZ & SK) was founded. | |
Founding members::  wiki99. | ||
 The alliance reaches a population more than 100. | ||
| 07/03/13 | Joining of:humppa. | |
| 14/03/13 | The alliance reaches a population more than 1,000. | |
| 19/03/13 | The alliance is now known as CZ & SK. | |
| May 2013 | ||
| 18/05/13 | Deletion of:humppa. | |