Inspired by the comparative method for RE as outlined by Bråten, this article elaborates on some similarities and differences between the present RE system in Flanders (Belgium) and the past RE system in Québec (Canada). After a brief outline of the societal level, the focus will be on the institutional level, where international, national and sub-national legislation will be examined. In addition, attention will be given to informal processes on the societal sub-national level, and especially to the debates with regard to the deconfessionalisation of RE in Flanders on one hand, and the debates on this issue in Québec on the other. This comparison will not only reveal important similarities, but also significant differences. Interestingly, it seems to be the case that especially these differences, and the particularities of the Flemish educational system, make the deconfessionalisation in Flanders even more complicated and difficult -- but therefore not less urgent -- than in Québec.