| Years | City | % Correct |
|---|---|---|
| 1965–2000 | Tokyo | 99%
|
| 1825–1914 | London | 98%
|
| 1925–1950 | New York | 98%
|
| 1425–1825 | Beijing | 94%
|
| 1–400 | Rome | 94%
|
| 340–600 | Constantinople | 91%
|
| 775–1200 | Baghdad | 80%
|
| 320 BC–100 BC | Alexandria | 79%
|
| 1980 BC–700 BC | Luxor | 46%
|
| 1000 BC, 600–900 | Xi'an | 45%
|
| 1000 BC–400 BC | Babylon | 44%
|
| 1358–1420 | Nanjing | 41%
|
| 3100 BC–700 BC | Memphis | 29%
|
| 700 BC–650 BC | Nineveh | 19%
|
| 1180–1350 | Hangzhou | 15%
|
| 1000 BC–700 BC | Luoyang | 7%
|
| 1013–1200 | Kaifeng | 5%
|