The aim of this article is to explain the political and trade union stance of the British National Union of Teachers (NUT) – representing the teachers of England and Wales – against the arms race and nuclear warheads set up in the European Continent during the Cold War (1947-1991). After adopting resolutions in support of «Education for Peace» at its Annual Conferences (Jersey, 1983 and Blackpool, 1984), the NUT held an International Peace Conference (1984) involving Western and Eastern European countries in which teachers’ unions from the following countries participated: the United States, Finland, the Soviet Union, the German Democratic Republic and Bulgaria. The international event was held in Stoke Rochford Hall (England) during the Br...