Russia invaded and annexed Crimea and invaded eastern Ukraine in 2014. That’s 20 years later.
It is also widely believed to have had a hand in the poisoning of Viktor Yushchenko with dioxin in 2004, in order to give an edge to his pro-Russian opponent, Viktor Yanukovych.
But even if that’s not true there’s ample evidence of overt Russian influence campaigns to support Yanukovych in that election, which was just 10 years after the Budapest Memorandum.
