You’re right that the WW1 invasion was entirely in the European part of Russia… but then, so were the Napoleonic and WW2 invasions. And the Crimea too, the point in question.
And you are of course quite right that lots of people have successfully invaded Asia by land, from Alexander onwards. I think the saying is nonsense, relying entirely on a highly selective reading of history.
You’re right that the WW1 invasion was entirely in the European part of Russia… but then, so were the Napoleonic and WW2 invasions. And the Crimea too, the point in question.
And you are of course quite right that lots of people have successfully invaded Asia by land, from Alexander onwards. I think the saying is nonsense, relying entirely on a highly selective reading of history.