The most recent example is probably Crimea: https://en.wikipedia.org/wiki/Republic_of_Crimea#Declaration_of_Independence_from_Ukraine https://en.wikipedia.org/w

The most recent example is probably Crimea: https://en.wikipedia.org/wiki/Republic_of_Crimea#Declaration_of_Independence_from_Ukraine https://en.wikipedia.org/wiki/Republic_of_Crimea#Declaration...