The Panopticon/Caesar

In Julius Caesar I took the liberty of removing the following:

"While this cannot be, in-universe, confirmed as Julius, in the real world, Julius Caesar did in fact cross the river Rubicon in the year 49 BC."

after:

The Tenth Doctor once offered to take Rose Tyler to see "Caesar crossing the Rubicon." (TV: Tooth and Claw)

I think that this is an obvious enough reference to Julius Caesar and to the famous historical event that we can just assume he's referring to that. I don't think that if just "Churchill" or "Hitler" are mentioned in any stories we would assume that they refer to some other members of the Churchill or Hitler family. And while Roman emperors have held the title of Caesar, if just the name "Caesar" is used, it's in most cases used to mean simply Julius Caesar himself.