Region
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Berlin (Germany)
12
Black Sea Region
1
Bolivia
2
Bosnia and Hercegovina
3
Bosnia and Herzegovina
14
Brazil
4
Buenos Aires
3
Bulgaria
1
Burkina Faso
2
Burma
40
Burundi
3
California
3
Cambodia
10
Cameroon
2
Canada
5
Canal Zone
12
Caribbean Area
7
Caribbean, English-speaking
1
Caucasus, Northern
1
Caucasus, Northern (Russia)
1
Caucasus, South
1
Central African Republic
13
Central America
29
Chad
1
Chalatenango (Department)
1
Chechni͡a (Russia)
1
Cherokee Nation
1
Chile
6
China
177
Christiansted National Historic Site (United States Virgin Islands)
2
Cleveland
2
Cleveland (Ohio)
2
Colombia
16
Columbia County (Ark.)
1
Communist countries
2
Confederate States of America
1
Congo (Democratic Republic)
31
Connecticut
1
Crimea (Ukraine)
2
Croatia
3
Cuba
57
Cyprus
6
Czechoslovakia
2
Côte d'Ivoire
11
Darfur
3
Darfur (Sudan)
3
Denmark
1
Dessau (Dessau)
1
Developing countries
4
Dominican Republic
2
more ...