Ephemera, History Dear America: STFU. Love, Uncle Sam by Chris Holmes May 3, 2012 World War II posters come in many varieties, but one that’s recently caught my eye are exhortations to American civilians and military personnel to shut up. Share the Love Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Pinterest (Opens in new window) Pinterest Share on Tumblr (Opens in new window) Tumblr Email a link to a friend (Opens in new window) Email Related 1940sAlliesAxis PowersHideki TōjōHistoryHitlerMussoliniNazispropagandaUncle SamUnited StateswarWorld War II