Region
Balkan Peninsula --
2
Europe, Central
1
Europe, Central --
2
Europe, Eastern
24
Europe, Eastern --
42
Former Soviet republics
7
Former Soviet republics --
11
German reunification question (1949-)
1
Russia (Federation)
2
Russia (Federation) --
2
Soviet Union
1
Soviet Union --
4
United States
1
United States --
1
Yugoslavia --
2