Duh I know that
Your topic has no sense then. Independent state can't secede by definition, because it's independent state already.
but the russians did the same thing
I really can't understand what are you talking about. Could you explain what do you mean by this sentence, please?
They were moved into those countries on purpose.
I'm asking you again, how long have you got out of cryochamber? Of course they were moved into Crimea on the purpose, to maintain the Black Sea Fleet infrastructure after annexation by Empire in 1783. They are living in the Crimea since 1783, is it surprising for you?
I know your russian.
I doubt in this, seriously. The one, who don't know the history of Europe, can't know its people.