In this interview recorded in 1971, Count Richard Coudenhove-Kalergi, founder of the Paneuropean Union, considers the foundation of the movement in 1923 and refers specifically to the aims of its establishment, namely a common European policy as regards foreign affairs, defence and the economy. Richard Coudenhove-Kalergi also emphasises the influence of his father in the birth of the idea of a Paneuropean Movement.

On 11 November 1948, Pope Pius XII expresses his support for the Federalist Movement's actions in support of European unity.

In a broadcast on Radio Luxembourg on 11 April 1948, Pierre Dupong, Luxembourg Minister of State and Prime Minister, discusses the importance of Christian culture in the European unification process.