hi OP! just a heads-up that this sub is dedicated to the discussion of history only, and not current events. For our purposes, anything occurring in the last 20 years is off-limits. If you're satisfied with that constraint, great, otherwise you might consider x-posting to /r/politics or some other current events sub.
Meanwhile, there have been absolutely loads of questions in here about Ukraine. Here's a special one to get you started:
[FEATURE The AskHistorians Crimea thread - ask about the history of Russia, Ukraine and the Crimea.] (http://www.reddit.com/r/AskHistorians/comments/1ziwxu/the_askhistorians_crimea_thread_ask_about_the/)