<![CDATA[Romm : 1923 Was More Than 1,800 Years Ago]]>In 1923 it was warmer in Svalbard than it is now.
http://docs.lib.noaa.gov/
Romm says that current temperatures in Svalbard are the highest in 1,800 years, so we can deduce that 1923 was more than 1,800 years ago.
High Arctic Warmest In 1,800 Years: ‘The Medieval Warm Period Was Not As Uniformly Warm As We Once Thought’ | ThinkProgress
h/t to Marc Morano
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