On 27 August 1947, Henri Genet, the Swiss President of the Central Committee of the Union of European Federalists (UEF), officially opens the Montreux Congress and hopes that this first meeting of federalist activists will result in close cooperation between European countries.
During the Congress of the Union of European Federalists (UEF) held in Montreux from 27 to 31 August 1947, Duncan Sandys, former British Minister and founder of the United Europe Movement in May 1947, delivers an address on European unification.
Meeting in Montreux in August 1947, activists of the Union of European Federalists (UEF) consider the economic benefits of establishing a European federation in terms of reducing costs and increasing wealth.
On 4 September 1947, the French daily newspaper Le Monde comments on the debates held in Montreux by the federalist movements and singles out the differences in approach taken by the world federalists and the Union of European Federalists (UEF).
At the Montreux Congress, the Swiss writer and staunch federalist Denis de Rougemont strongly criticises the scepticism or even the hostility of a swathe of public opinion which, in his view, produces knee-jerk reactions to plans for European unification.