The most surprising thing about the NSA posters might be how funny a handful of them are. As historian Alex Wellerstein tweeted: These declassified NSA security posters are A M A Z I N G.

The hazards of confiding details of military manoeuvres to the fairer sex during the Second World War prompted a poster propaganda campaign depicting women as incapable of keeping sensitive ...

A rare collection of propaganda posters from the Second World War is going up for auction for £10,000. Some of the 150 posters, designed to enlist the public’s help in the war effort ...

Propaganda posters, like advertisements, are often strikingly beautiful and moving. After all, they are designed to be persuasive. And the 1950s, the height of the Cold War between communism and ...

For an older generation of Chinese people, these images might look familiar: During the Cultural Revolution, which lasted from 1966 to 1976, propaganda posters depicting smiling peasants were ...