It was used by the anti-war movement of the 1960s.
Other symbols for peace were the olive branch for the ancient Greeks and the dove for the Christians.
It was designed by the British artist Gerald Horton for the organization ‘Action Committee Against Nuclear War’.
It was presented in 1958 at a protest against nuclear weapons in London.
It is a combination of the letters N and D for Nuclear Disarmament.
It was then adopted internationally by the World Anti-War Movement.
[Source: http://www.sansimera.gr]
