Fates of saints Cyril and Methodius mission in post-modern interpretations

Presented contribution paper refers to the fact that numerous uncertainties prevail in connection with Sts. Cyril and Methodius mission up till now. Uncertainties result from insufficient sources, dedicated to mission itself and location where mission run its activities. Paper draws attention to the fact that exist researchers, who gaps in sources strive to utilize for different speculative revelations. Such researchers are applying postmodern methodology, selecting historical sources, of which they are "mining" only such documents, which fit as an evidence. Author focuses to works of Hungarian historian Imre Boby from 70th of 20th century as well as works of his disciples dated at the end 20th and beginning of 21st centuries, the conclusion of which author features as a trial to relocate activities of said mission. Their discoveries characterizes as trial of new localization of the running the activities of to the areal of Northern Balkans and/or Southern Pannonia. Author draws attention that these opinions are not substantiated with archeological survey, however the most coercive are argued against with evidences of Philological type. He draws attention also to new interpretations of sources, which are disproves opinions on Syrmium, to be archbishop Methodius Episcopal See. As a conclusion author presents postmodern speculations questioning the fundamentals of the Sts. Cyril and Methodius mission itself.