Daddy, What Did You Do in the Great War?
"Daddy, What Did You Do in the Great War? " was a British First World War recruitment poster by Savile Lumley, and first published in March 1915 by the Parliamentary Recruiting Committee. It was commissioned and submitted to the committee by Arthur Gunn, the director of the publishers Johnson Riddle and Company.
Source: Wikipedia — Daddy, What Did You Do in the Great War? (CC BY-SA 4.0)