On 2 June 1950, the British Foreign Secretary, Ernest Bevin, hospitalised in the London Clinic, considers with his close colleagues the possibility of the United Kingdom’s non-participation in the negotiations on the implementation of the Schuman Plan.

On 11 May 1950, the British Ministry of Defence drafts several notes on the strategic implications of the Schuman Plan, particularly in terms of control of the coal and steel industries in Europe and arms production.

On 31 May 1950, Oliver Harvey, British Ambassador to Paris, sends a telegram to Kenneth Younger, Minister of State at the Foreign Office, in which he outlines the differing views held by the French government and the British government authorities concerning the plan for a coal and steel pool.

On 10 May 1950, at a meeting at the Foreign and Commonwealth Office, leading British ministers comment on the declaration made the previous day by French Foreign Minister Robert Schuman, and criticise the French initiative to create a coal and steel pool in Europe.

On 11 May 1950, various British ministries draft a joint note for the attention of the Prime Minister’s Cabinet in which they analyse the possible economic repercussions of the implementation of the Schuman Plan and outline the origins of the French proposal.

On 25 May 1950, the French Government invites London to take part in the negotiations for the establishment of a European coal and steel pool.

On 30 May 1950, in order to dispel any misunderstanding between France and the United Kingdom over the fundamental objectives of the Schuman Plan, the French government sends a memorandum to the British government setting out the main inspiration for the planned coal and steel pool, while emphasising the scope of the proposed bases for negotiation.

On 17 May 1950, the National Coal Board, the statutory corporation for the British coal industry, gives its first impressions of the issues surrounding the Schuman Plan and analyses the possible repercussions for the national coal industry.

Am 22. Mai 1950 veröffentlicht die britische Sektion der Europäischen Liga für wirtschaftliche Zusammenarbeit (ELWZ) in der britischen Tageszeitung The Times einen Aufruf, damit das Vereinigte Königreich sich an der Umsetzung des Schuman-Plans beteiligt.

Im Juni 1950 veröffentlicht das Nationale Exekutiv-Komitee der britischen Labour-Partei das Manifest European Unity, in dem es die offizielle britische Linie zur Frage der europäischen Einheit darlegt.