Quiz | # Taken | Best |
---|---|---|
Largest Cities in the World in 1800 (with a map) | 2,334 | - |
Largest Cities in the World in 1850 (with a map) | 839 | - |
Largest Cities in the World in 1900 (with a map) | 1,107 | - |
Largest Cities in the World in 1950 (with a map) | 2,034 | - |
World's Largest Cities in 2050 | 478 | - |
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