An 18th century map of Crimea then under Ottoman control
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What will Ukraine's map look like after Crimea vote?

13 March 2014 Last updated at 16:53 GMT

Crimea is holding a referendum on Sunday on whether to break away from Ukraine and join Russia.

If that happens it will be the latest of many historic changes to Ukraine's borders.

Bridget Kendall has been to the British Library to examine the many maps charting the peninsula's troubled past.

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