Emperors of Rome: The Odds of March

In 46, Caesar is elected dictator for 10 years. The following year when it's clear that the Civil War has been won by Caesar, that is converted into dictator for life. This is highly irregular. For petrol dictatorship is basically saying one man rule. Not in a time of crisis, not for a short period, but forever. And that looks like monarchy to the Romans, and they write it pretty much is monarchy.