Tomb of General who Inspired Gladiator Found
It’s rare that archeology finds specific material about secondary characters, but in this case it seems to have happened. A tomb recently discovered in Rome bears an inscription identifying as belong to Marcus Nonius Macrinus, who inspired the main character in the movie Gladiator
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You can read the full story via the link provided. I would note that it appears that, as is normal, the relationship between the historical character and the fictional character that he inspired is extremely loose!