xkcd’s Map Age Guide

Randall Munroe, “Map Age Guide,” 1 June 2016. xkcd.

Today’s xkcd is a flowchart for figuring out the age of an undated world map. Look carefully.

Author: Jonathan Crowe

Jonathan Crowe blogs about maps at The Map Room. His nonfiction has been published by AE, The New York Review of Science Fiction, the Ottawa Citizen and Tor.com. His sf fanzine, Ecdysis, was a two-time Aurora Award finalist.