Without health care, people used to live about a century.

But no one has yet asked me about the 31st century.

Women did not vote for about a century and a half.

The population fell from 2100 in 1851 to 700 about a century later.

Almost everything you may want to know about the 16th century is in these pages.

The science of human personality is about a century old.

It turned out to be about a century or two older than most objects in the room.

But at the rate of change suggested by the Bush plan, energy independence is about a century away.

But it's been about a century since those three little girls moved to Oz.

The Monastery stood here until the about the 11th century.