(13th century - 14th century - 15th century - more centuries)
Significant people
Inventions, Discoveries, Introductions
... age of 18, 5.0% from 18 to 24, 29.0% from 25 to 44, 24.2% from 45 to 64, and 12.7% who are 65 years of age or older. The median age is 39 years. For every 100 females ...