On 29 March 1971, Rinse Zijlstra, Chairman of the Dutch Union of Protestant Agricultural Workers and Market Gardeners, expresses concern at the outbreaks of violence that occurred during the agricultural demonstration in Brussels and highlights the efforts made by the European authorities to establish a common agricultural policy.

In 1969, the Netherlands Ministry of Agriculture drafts a note which analyses in detail all the provisions included in the Mansholt Plan for the reform of the common agricultural policy (CAP).

On 29 April 1970, Sicco Mansholt, European Commissioner with special responsibility for agriculture, publishes his plans for agricultural reform.

‘Dum, dum, dumped — No way through the garbage.’ In March 1971, the discontent in the European farming sector over plans to reform the common agricultural policy (CAP) proposed by Sicco Mansholt, European Commissioner with special responsibility for agriculture, comes to a head.

On 30 March 1953, after the European Conference on the Organisation of Agricultural Markets held in Paris, Jacob Jan van der Lee, Head of the International Organisations Department in the Netherlands Ministry of Agriculture, emphasises the importance of agricultural integration in Europe.

Working session of the members of the Commission of the European Economic Community (EEC) in office from 10 January 1958 to 6 July 1967, under the presidency of Walter Hallstein. From left to right (starting with Sicco Mansholt, on the left, with his pipe): Sicco Mansholt, Robert Marjolin, Lambert Schaus, Lionello Levi Sandri, Guido Colonna di Paliano, Hans von der Groeben, Walter Hallstein, Émile Noël, Executive Secretary of the Commission, and Jean Rey.

On 31 May 1952, Johannes Linthorst Homan, Director of European Integration in the Netherlands Ministry of Economic Affairs from 1952 to 1958, gives an address in which he emphasises the need for European cooperation in the field of agriculture.