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.
http://wiki.answers.com/Q/Ice+ages+in+the+last+1+m...
There are two animated "Ice Age" movies, and a third is going to be released
http://www.chacha.com/question/how-many-ice-age-mo...
It is 3. Ice Age 1,2,3. Read about the real world Ice Age - what it is? How it is caused? How we can prevent it? and the movie Ice Age here: http://www.explainstuff.com/2009/06/15
http://answers.yahoo.com/question/index?qid=200906...
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
http://www.ehow.com/how_5038389_many-flags-there.h...
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