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With a POD not later than 1918 make what is now in OTL the former Yugoslavia, Albania, Greece, Turkey in Europe, Bulgaria, Romania, Moldova, and Ukraine west of the river Dneister (i.e. Ukraine south-east of Moldova) into one nation at the present time. Also give a name to that nation and designate its capital city.

Here is a map of the area: http://www.ethnomusic.ucla.edu/ensembles/worldmusic/balkans/map.htm .
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