Happy Birthday to you, Happy Birthday to you, Happy Birthday dear peace symbol..... Great symbol for the antiwar movement is now 50 years old.. forever burned into the psyche of our society and the world... I am pretty confident that there is some obscure article that will link this to SDS, Che Guevara or Karl Marx or something.. you can find just about anything on the internet. http://news.bbc.co.uk/2/hi/uk_news/magazine/7292252.stm It started life as the emblem of the British anti-nuclear movement but it has become an international sign for peace, and arguably the most widely used protest symbol in the world. It has also been adapted, attacked and commercialised. It had its first public outing 50 years ago on a chilly Good Friday as thousands of British anti-nuclear campaigners set off from London's Trafalgar Square on a 50-mile march to the weapons factory at Aldermaston. The demonstration had been organised by the Direct Action Committee Against Nuclear War (DAC) and the Campaign for Nuclear Disarmament (CND) joined in. . He considered using a Christian cross motif but, instead, settled on using letters from the semaphore - or flag-signalling - alphabet, super-imposing N (uclear) on D (isarmament) and placing them within a circle symbolising Earth.