Why don't you have computers
and shit? It's the 20th CENTURY.
Breaking Bad Season 2, Episode 12
Because one of the great minds
of the 21 st CENTURY...
The Big Bang Theory Season 1, Episode 4
Corn dogs didn't come into existence
till the first half of the 20th CENTURY.
The Big Bang Theory Season 2, Episode 2
Thailand has had the fork
since the latter half of the 19th CENTURY.
The Big Bang Theory Season 1, Episode 2
...was a third CENTURY Roman priest
who was stoned and beheaded...
The Big Bang Theory Season 3, Episode 15