In a world before the viral trends of social media, national and local governments issued Public Service Announcements, printed as posters for all to see. Whether the message was tackling wartime safety, forest fires, or littering, these posters shaped minds and turned heads with their impactful graphic design and chilling wording. Here, we’ve highlighted 27 memorable PSA posters from 20th-century American culture and politics.
#1: “Loose Lips Might Sink Ships” (1942)
