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
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
Fine. How about one of the most beguiling
and influential couples of the 20th CENTURY?
The Big Bang Theory Season 6, Episode 5