One was that the Medieval Warm Period which occurred between about AD 800 and 1100 along with the Little Ice Age (not a true Ice Age) which occurred between about AD 1350-1850 somehow turned up missing.

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Before its collapse around 800 AD, the ancient Maya empire spread across southern Mexico, Guatemala, Honduras and Belize.

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Dating from about 800 AD, the stones are associated with early Christian crosses - of which there is one on the isle.

BBC: 'Cursing stone' found on Isle of Canna

That's when the world's second-largest personal computer manufacturer, Dell, out to challenge Apple's "cool" factor, announced it was dropping its 800 ad agencies for one contract with WPP.

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That's when the world's second-largest personal computer manufacturer, Dell, out to challenge Apple (nasdaq: AAPL - news - people )'s "cool" factor, announced it was dropping its 800 ad agencies for one contract with WPP.

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The climate was particularly cold in two periods around 800 BC and 1700 AD.

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In 1996, Newt Gingrich was in the cross hairs of Democratic ad makers who ran more than 800, 000 campaign commercials featuring the then-House speaker.

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"My payout is stronger if I can track the ad, " says Christopher McCann, president of 1-800-Flowers.com.

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Eventually another 100 or so orders will come over the Internet or the general call center number (1-800-321-THIN) without reference to the ad.

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