Frankly, that entire post sums up what we face now.
This is usually about the time I mention Confirmation Bias
It was very warm in 1100 BC, warm again during the Roman Empire and very warm in 1300 AD. Two of those occurrences warmer than we are now.
Makes we wonder how primitive man pulled us out of that?
I've read where some scientist are researching Solar Radiation and our increase in Sun Spot activity, in relation to warming.