The policy was firstly implemented on a large scale with the creation of the Kingdom of Yugoslavia in 1918.<ref> ''Croatisation or Slavicisation'' was a policy firstly implemented under the rule of the [[Austria|Austro]]-Hungarian Empire</ref> | The policy was firstly implemented on a large scale with the creation of the Kingdom of Yugoslavia in 1918.<ref> ''Croatisation or Slavicisation'' was a policy firstly implemented under the rule of the [[Austria|Austro]]-Hungarian Empire</ref> |