> Schleswig-Holstein to the plain of the Po. I suspect that most of > Central Europe would have adopted a German-derived (or maybe > French-derived) keyboard regardless of whether the majority language was > Czech, Slovak, Italian, Hungarian, Croatian...
In fact Polish traditional keyboard is modelled after German layout (with addition of Polish diacritics on separate keys). Only very fast spreading of computers in the beginning of '90 connected with lack of production of those keyboards lead to wide adoption of Polish programmer keyboard (US 101 with diacritics by AltGr not separate keys). m.