Region
United States
68
South Africa
6
Cuba
5
Egypt
2
France
2
Germany
2
Great Britain
2
Hiroshima-shi (Japan)
2
Palestine
2
Panama Canal (Panama)
2
U.S. states
2
Washington (D.C.)
2
Africa
1
Alabama
1
Bikini Atoll
1
Bikini Atoll (Marshall Islands)
1
Boston (Mass.)
1
China
1
Czechoslovakia
1
Côte d'Ivoire
1
El Salvador
1
Europe
1
Great Britian
1
Guatemala
1
Indochina
1
Ireland
1
Kenya
1
Korea
1
Marshall Islands
1
Munich (Germany)
1
Selma
1
Suez Canal (Egypt)
1
Syria
1
USSR
1
Vietnam
1
Warsaw (Poland)
1