Ataturk did a similar thing, didn't he? Not quite the colonial invasion scenario proposed above, but a seismic shift in cultural attitudes regardless.
So, 50-60 years of occupation would be long enough for this operation to happen?
I mean, as far as the native population really foreign on using their own pre-colonization alphabets?
Koreans did the same with Hangul. The idea was that a peasant could learn it in 2 days.