Portuguese World War One poster

European War — Russian World War One poster

Field uniforms of our enemies in the West — German World War One poster

The Dream of Our Army – Greek First World War poster

Field uniforms of our enemies in the East — German World War One poster

British World War II poster in Portuguese - A Grã-Bretanha, Defensora da Liberdade

German World War One poster

Seize arms and join our ranks, all ye of Czechoslovak birth! — Czechoslovak World War One poster

Your Liberty Bond will help stop this – US World War One poster

A Happy New Year to our gallant soldiers! – British World War One poster

Europe 1916 – American World War One poster

British WWII poster in Portuguese - A Grã-Bretanha, Defensora da Liberdade

Protect your homeland! Enlist in the Freikorps – German World War One poster