How Many Ice Ages Have There Been?

Answer

As far as everyone know's there have been about four Ice Ages. The most recent one was about four million years ago. The longest one was about one billion and 500 million years ago.
Q&A Related to "How Many Ice Ages Have There Been"
We are currently in an ice-age, but in an interglacial period. There have been at least four glacial episodes in the last million years, the last one ending around 12,000 years ago.
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There have been at least four major ice ages in the Earth's past. Outside these
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Wisconsinan ice age 75,000 - 10,000 year ago Illinoisan ice age 170,000 - 120,000 year ago Kansan ice age 480,000 - 230,000 year ago Nebraskan ice age 800,000 - 600,000 year ago Source
http://answers.yahoo.com/question/index?qid=200909...
The Adoption of the First Flag On June 14, 1777 in the city of Philadelphia, this resolution was adopted by the Marine Committee of the Second Continental Congress: "Resolved
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