Region
United States
30
Great Britain
12
China
7
Developing countries
5
Europe
4
Australia
3
Iran
3
Latin America
3
Congo (Democratic Republic)
2
Germany
2
India
2
Japan
2
Turkey
2
Africa, Sub-Saharan
1
America
1
America x History
1
Amsterdam
1
Asia
1
Austria
1
Canada
1
England
1
Europe, Eastern
1
Foreign countries
1
Germany (West)
1
Holy Roman Empire
1
Islamic countries
1
Israel
1
Malaysia
1
Netherlands
1
Nicaragua
1
Pahang
1
Spain
1
Sweden
1
Victoria
1
West Bank
1
Yugoslavia
1