13 well known cities and their previous names
1. Istanbul - Constantinople
2. New York City - New Amsterdam
3. Saint Petersburg - Petrograd, Leningrad
4. Toronto - York
5. Volgograd - Tsaritsyn, Stalingrad
6. San Francisco - Yerba Buena
7. Ho Chi Minh City - Saigon
8. Mumbai - Bombay
9. Beijing - previously romanized as Peking
10. Tokyo - Edo
1. Istanbul - Constantinople
2. New York City - New Amsterdam
3. Saint Petersburg - Petrograd, Leningrad
4. Toronto - York
5. Volgograd - Tsaritsyn, Stalingrad
6. San Francisco - Yerba Buena
7. Ho Chi Minh City - Saigon
8. Mumbai - Bombay
9. Beijing - previously romanized as Peking
10. Tokyo - Edo