| RIII Henry VI | RL Henry VI |
| Much of the information for Henry VI is unavailable in Richard III, due to the fact that he died at the end of 3 Henry VI | Weak ruler |
| Suffered attacks of insanity | |
| Dethroned twice | |
| Almost definitely murdered by Richard | Died in the Tower of London, possibly murdered |
| JC Julius Caesar | RL Julius Caesar |
| Returned victorius, killed withing a matter of days | Ruled as a dictator for a number of years |
| Murdered to prevent him from becoming a rex (king) | Murdered to prevent him from becoming a rex (king) |
| Loved by the people | Loved by the people |
| Reforms not mentioned in the play | Instituted various reforms, bettering the Roman Republic |
| Former member of First Triumvirate, almost Emporer | Former member of Roman Triumvirate, almost Emperor of Rome, also head of state religion |
| Killed by Brutus, Cassius | Killed by Brutus Cassius |