prehistory

IPA: prihɪstˈɔri

The time before written records in any area of the world; the events and conditions of those times.
The study of those times.
(humorous, hyperbolic) Any past time (even recent) treated as such a distant, unknowable era.
(often as pre-history) The history leading up to some event, condition, etc.

Examples of "prehistory" in Sentences

This work looked at periods in prehistory when the Sahara region was green – covered with grassland.
If you have the slightest interest in prehistory and the development of mankind on a global stage, this is the book for you.
A socialistic parable set in prehistory, "The Strength of the Strong" (Hampton's Magazine, March, 1911), was composed in January, 1909, in Tasmania.
There is a chapter on “Democracy Before America” with a helpful timeline that begins in prehistory with the first two-party system formed by the hunters and the gatherers.
Born and raised amongst the rich geological history of Ontario, Canada, Laura has held a lifelong interest in prehistory and how past peoples adapted to their environments.
"My father was a student of what he called prehistory, but nothing to base it on except artifacts from the ancient ruins on the old civilization and the folk tales of the blacks.
While shorter, with fewer stories than, say, The Living Dead — this is 20 stories to TLD’s 34 — this is also an assemblage of new stories that follow the walking dead all through the ages, beginning in prehistory and taking us up to the time of Thomas Edison.