No, as far as landmasses go, his empire did not span "most" of what we know today as Europe. But it did span much of Western Continental Europe, and the entire coastal areas surrounding the Mediterranean.
Free historical hint: The first Roman Emperor to use the name 'Caesar' without being given it at birth was the usurper Servius Galba, who claimed the title "Imperator Caesar" in AD 68. So while the man I'm thinking about has 'Caesar' in his name, it was a family name and not a title.
You may be thinking about the rumor that Julius Caesar made the hoop earring famous, but at this time in history, most men and women commonly wore earrings as a status symbol. It's possible that all emperors had their ears pierced.
Hey hey! Carmen Sandiego got a mention on Jeopardy last night!! Also I didn't know Carmen and Barbie used to be friends. LOL. Post by @fycarmensandiego · 1 video
However, I've found it something with a software company called SoftKey International in which they did trade name the Learning Company after taking it over in 1995 and made a worst deal with Mattel in 1999.
I just realized that I could buy some different kinds of MRE's from Amazon and it reminded me how my father use to talk about them. My curiosity is getting the better of me because now I want to try them.....