It's really a matter of deciding when is the start of the Little Ice Age. http://en.wikipedia.org/wiki/Little_Ice_Age Some put it at the end of the medieval warn period, others hundreds of years later. I favor 1315, because over the period of a few years the climate of Europe tanked for hundreds of years. Of course a 1315 date argues for the cause being a long solar minimum and not reforestation.

My opinion was greatly influenced by Brian Fagan: The Little Ice Age, http://www.amazon.com/Little-Ice-Age-Climate-1300-1850/dp/04....