Region
United States
55
Developing countries
20
India
19
China
8
France
7
Colombia
5
Europe
5
Great Britain
3
Massachusetts
3
Bihar
2
Latin America
2
Mexico
2
Michigan
2
Morocco
2
Rome
2
Rome (Empire)
2
Soviet Union
2
Africa, Sub-Saharan
1
America
1
Arab countries
1
Australia
1
Boston
1
Cambridge
1
Chile
1
Developed countries
1
Egypt
1
Europe, Central
1
Holy Roman Empire
1
Huai River (China)
1
Huai River Valley
1
Italy
1
Kenya
1
Mexican-American Border Region
1
New York
1
New York (State)
1
North America
1
Rajasthan
1
Rajasthan (India)
1
Russia
1
Sicily
1
Sicily (Italy)
1
Sub-Saharan Africa
1
Tangier
1
Yugoslavia
1