The Union of European Federalists (UEF) is an international non-profit association originally founded in 1946 and refounded in 1973, promoting the advent of a European federal state based on the idea of unity in diversity.In 1946, it brought together a number of initiatives, particularly from the Resistance, aimed at creating a European federation, including the Movimento Federalista Europeo created the day after the fall of Benito Mussolini in Milan from 27 to 29 August 1943, under the impetus of the opponent Altiero Spinelli, among others, and the French Committee for the European Federation created in Lyon by members of the "Francs-tireurs" group in June 1944.
