Well, there are some isolated reports of successful transculturations, like, say, Islamization of Iraq by al-Hajjaj(sp?) around 7th century AD. The butchery associated with his name is still remembered. But then again, he did not have to transculturate among major language barriers, only across religious ones.
For example, if the Third Reich, which turned into a bloodbath, had reached its goals, would Europe, including Russia, right now, be much different?