<a href="https://en.wikipedia.org/wiki/Battle_of_Amiens" class="extiw" title="w:Battle of Amiens">Battle of Amiens</a> from the <a href="https://en.wikipedia.org/wiki/Hundred_Days_Offensive" class="extiw" title="w:Hundred Days Offensive">Hundred Days Offensive</a> in <a href="https://en.wikipedia.org/wiki/World_War_One" class="extiw" title="w:World War One">World War One</a>.
<a rel="nofollow" class="external text" href="http://www.dean.usma.edu/history/">The Department of History, United States Military Academy</a>
(cropped from <a rel="nofollow" class="external text" href="https://www.westpoint.edu/sites/default/files/inline-images/academics/academic_departments/history/WWI/WWOne21.jpg">this image</a>)