| Name | Alternate history of science |
| Setting | Alternate timeline |
| Key figures | Roman Scientist 1 • Roman Scientist 2 • Roman Philosopher 1 |
| Key developments | Astronomy • Infrastructure • Mechanization |
| Notable inventions | Telescope (Roman variant) • Aqueducts • Steam engines |
| Apex of advancement | 18th century |
| Start of divergence | Roman Empire |
