From the opium trade routes of the 1900s to CND’s operations in the 1980s, maps reveal the political leylines of history – except when it comes to the holiday islands of San Serriffe, as a new British Library book reveals in this link below

http://www.theguardian.com/books/gallery/2014/nov/04/a-history-of-the-20th-century-in-100-maps-in-pictures