At the Stuttgart Summit held from 17 to 19 June 1983, the Heads of State or Government of the Ten adopt a Solemn Declaration on European Union specifying the financing, enlargement and development of a number of common policies.

On 19 June 1983 in Stuttgart, the ten Heads of State and Government signed the Solemn Declaration on European Union.

On 21 June 1983, following the Stuttgart European Council, the French daily newspaper Le Monde comments on the issues surrounding the implementation of common European political cooperation.

In his editorial of 20 July 1983, Emanuele Gazzo, Director of Agence Europe, comments on the conclusions of the Stuttgart European Council and suggests that the size of the Community budget should be increased so that Europe may develop new Community policies.

In July 1983, Emilio Colombo, outgoing Italian Foreign Minister, analyses the outcome of the Stuttgart European Council and welcomes the adoption of the Solemn Declaration on European Union as the best progress possible, given the current situation of the European Community.