So, your first link was to some antisemitic conspiratory blog (and your 'Nuland-Kagan' slip shows a bias).
And your Wikipedia links clearly showing up the Russian attempts to instigate separatism in Crimea in 90-s (interestingly they've went to crush the same Chechen separatism later).
And as for 1917 - Kharkov was _captured_ by Russians. And they've continued to annex rest of the Ukraine.
And as for 1917 - Kharkov was _captured_ by Russians. And they've continued to annex rest of the Ukraine.