When comparing rulers from different periods, what should count most: military victories, administrative reforms, cultural achievements, or the long-term effects of their policies?
Figures such as Cyrus the Great, Ashoka, Augustus, Akbar, and Napoleon are remembered for different reasons. Their reigns also show why historical assessment can be complicated: a
ruler may introduce important reforms while also using coercion or warfare to maintain power.

Looking at historical sources and the experiences of different groups can provide a more balanced understanding than relying on rankings alone.
The Campus Review has an introductory article examining ten influential rulers and their legacies:
https://thecampusreview.com/history-and-culture/greatest-rulers-in-history/Which criteria would you use to assess a ruler's historical significance?