| Type | Form of government |
| Similar forms | Constitutional republics • Parliamentary republics |
| Characteristics | Monarchy • Constitutionalism • Limited monarchy |
| Notable figures | Various enlightenment thinkers, historians, and rulers |
| Significant event | A prominent event leading to the creation of at least one Constitutional Monarchy |
| Dates of existence | Earliest, different than our timeline |
| Countries of origin | Various; earliest in a different country than our timeline |