Region
United States
33
Great Britain
11
Europe
5
France
4
Japan
4
China
3
Germany
3
Soviet Union
3
Asia
2
Byzantine Empire
2
England
2
Netherlands
2
Africa, North
1
America
1
Brazil
1
Darien (Panama and Colombia)
1
Developing countries
1
East Asia
1
España
1
India
1
Islamic Empire
1
Islamic countries
1
Israel
1
Latin America
1
Mexico
1
Middle East
1
Pacific Area
1
Pacific States
1
Panama
1
Rome
1
Spain
1
Western countries
1