I'm not sure of an easy way to look at dividend history for a listed stock. A hard way would be to look at old press releases. However, obtaining a long history of press releases can be a challenge. You can go to the company's web site or use the following web site but either may be insufficient: http://markets.about.com/about
On the OTCBB and the pinksheets there is an easy way. You can look at the daily list history for the company. Just go to the following link and enter the symbol for the company: http://www.otcbb.com/AllDailyList/
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