Interesting analysis, but "...it was the 4th warmest on record" would be a good addition to the title. In other words, it was still really warm compared to historical standards. But, interesting article.
https://en.wikipedia.org/wiki/File:Holocene_Temperature_Vari...
http://www.longrangeweather.com/global_temperatures.htm
Going back even further, the record shows that it was MUCH hotter before then:
https://en.wikipedia.org/wiki/File:Five_Myr_Climate_Change.p...