Redirected from Twelfth century
(11th century - 12th century - 13th century - other centuries)
Significant people
Inventions, Discoveries, Introductions
Decades and Years
... is spread out with 25.2% under the age of 18, 5.7% from 18 to 24, 31.9% from 25 to 44, 23.3% from 45 to 64, and 13.9% who are 65 years of age or older. The median ...