This paper focuses on the facts of the Slovak writing history showing that Ľ. Štúr’s codification was an organic continuation of proceeding language processes. These include the emergence of a specific idiom, resulted from the interaction of the Czech language with Central Slovak dialect, functioned in Lutheran spiritual literature and presented, in particular, in the 1634 Catechism published by D. Pribiš, the total displacement of the Czech language from high poetry of Lutherans from 30th of the XIX century and 1835 «partial precodification» of the modern literary language based on Central Slovak dialect.