The 22 Congress of CBGA in Plovdiv, Bulgaria (7-11.09.2022) will celebrate the 100^th anniversary of the association. A series of events will be held during the CBGA 2022 to mark the occasion, as cross-border geological field trips and field workshops, publishing of special issues of the CBGA official journals Geologica Carpathica and Geologica Balcanica, presentation and a booklet about the history and development of the organization.