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 Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on Pinterest (Opens in new window) Pinterest Click to share on Tumblr (Opens in new window) Tumblr Click to email a link to a friend (Opens in new window) Email Related 1940sAlliesAxis PowersHideki TōjōHistoryHitlerMussoliniNazispropagandaUncle SamUnited StateswarWorld War II