The Little Ice Age of the 1600s and 1700s has been edited out of Wikipedia on purpose, as was the Medieval Warm period around 1000.
That it was much colder and much warmer than today in recorded history is contrary to the “it’s getting warmer, all industrialization’s fault”.
More damning is the deliberate alteration of weather station data to fit the warming trend of models, rather than admitting the models are wrong
The fiddling with temperature data is the biggest science scandal ever
http://www.telegraph.co.uk/news/earth/environment/globalwarming/11395516/The-fiddling-with-temperature-data-is-the-biggest-science-scandal-ever.html