After a forgotten WW2 propaganda poster was discovered in 2000, it found an astounding new resonance in 21st-Century Britain.

In the 1960s, Vietnam's wartime communist propaganda art - with its colourful but concise slogans - served as a powerful tool to promote ideas and inspire devotion to the cause.

Artist Tran Duy Truc, 82, gestures next to a propaganda painting ahead of the 50th anniversary of Vietnam’s Liberation Day, in Hanoi, Vietnam, April 29, 2025. REUTERS/Phuong Nguyen By Phuong Nguyen ...