Questions about empires equal to the Federation, please.

[Shawnster]

Client races is why I liked the FASA idea of various types of Klingons. Not all are purebred or Klingon for that matter.

Wait, maybe that's headcanon

 

[kkt]

The Klingons thought they were in charge, so it counts.

How do you feel about the inmate in the asylum who thinks he's Napoleon?

 

[Nerys Myk]

How do you feel about the inmate in the asylum who thinks he's Napoleon?

Well, if your Organian you go along with it and let them do as they please, until a couple of idiots show up and set the guy off.

 

[drt]

The not-Trill spotty race from TNG (Kriosans?) had been under Klingon rule.

Maybe that’s the race of which I was thinking.

Although, your “Errand” quote from TOS gives an out around never seeing the Empire’s subjects, because if the whole planet is subjugated and put into labor camps, it’s pretty unlikely we’d ever encounter them.