
...to function in 18th CENTURY Vienna.
The Big Bang Theory Season 4, Episode 21

Should I read you some bawdy
19th CENTURY limericks?
The Big Bang Theory Season 11, Episode 11

Pizza dates back to the 16th CENTURY...
The Big Bang Theory Season 4, Episode 9

Corn dogs didn't come into existence
till the first half of the 20th CENTURY.
The Big Bang Theory Season 2, Episode 2

Why don't you have computers
and shit? It's the 20th CENTURY.
Breaking Bad Season 2, Episode 12