The twelfth century A.D. represents what set of years?

Question

The twelfth century A.D. represents what set of years?

Answer 1

1101 AD to 1200 AD

Answer 2

Years 1100- 1199 AD.

Answer 3

around the 11th century and remember its alwasy ahead by 100 years

Answer 4

Just as there is no year zero, 1 has to start a century.  So the first Century is 1-100, the second is 101-200.  The Twelfth Century is 1101-1200.