Region
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Prussia (Germany)
1
Puerto Rico
1
Québec (Province)
1
Québec (Province)
6
Rio Grande do Sul
1
Rio Grande do Sul (Brazil)
1
Rio de Janeiro
1
Rocky Mountains
1
Romania
1
Rotterdam (Netherlands)
1
Russia
1
Russia (Federation)
13
Rwanda
2
San Diego
2
San Diego (Calif.)
1
San Francisco Bay Area
1
Santa Clara County
2
Santa Clara Valley (Santa Clara County)
6
Santa Clara Valley (Santa Clara County, Calif.)
6
Saturn (Planet)
2
Saudi Arabia
1
Scandinavia
2
Scotland
2
Seoul (Korea)
2
Shenzhen Shi
1
Siegen
1
Siegen <2007>
1
Silicon Valley
1
Silk Road
1
Singapore
10
Solar system
2
South Africa
12
South America
2
South Asia
1
South Australia
2
South China Sea
1
Southeast Asia
6
Southern States
3
Southwestern States
2
Soviet Union
10
Spain
6
Spratly Islands
1
Sudan
1
Sweden
7
Switzerland
2
Sydney (N.S.W.)
1
Syria
1
Taiwan
1
Technological innovations
1
Technology and civilization
1
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