By Monica Sarkar, Susannah Cullinane, Ivana Kottasova and Inez Torre, CNN
updated 10:36 AM EDT, Fri March 14, 2014
Editor's note: Moscow has had an interest in Crimea for hundreds of years, with its rich farmland and access to the Black Sea. But it gave Crimea to Ukraine in 1954, when both were part of the Soviet Union. After the USSR collapsed in 1991 there was some local desire for Crimea to become part of Russia again, but lawmakers in Kiev and Simferopol voted for it to stay within Ukraine. However, during the past few weeks Moscow has reasserted its influence in the Black Sea peninsula after Ukraine's pro-Russian President Viktor Yanukovych was ousted on February 24 2014. Click on the map to see some of the key locations during the latest crisis. To explore the wider divisions in Ukraine, click here.
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