The Humber-Lune Line is a term used for the traditional dialect boundary in England between dialects derived from Northumbrian Old English to the north and Mercian Old English to the south.
<a href="//commons.wikimedia.org/wiki/User:ChrisO" title="User:ChrisO">User:ChrisO</a>
CC BY-SA 4.0
<ul><li>Map from from <a href="//commons.wikimedia.org/wiki/File:England_in_the_uk_outline_map.png" title="File:England in the uk outline map.png">File:England in the uk outline map.png</a></li></ul>