France takes over the Presidency of the Council of the European Communities. The second Yaoundé Convention and the Arusha Agreements enter into force.
The annual meeting of the Parliamentary Conference of the EEC- African States and Madagascar (AASM) Association is held in Yaoundé, Cameroon.
The European Parliament adopts a resolution on the Commission report on progress in implementing Council directives concerning the freedom of establishment and freedom to supply services. The resolution stresses that the Member States should implement the directives and that the Commission should supervise their proper application.
The Council adopts the Werner plan to strengthen coordination of economic policies. The Member States have to take measures to harmonise their budgetary policies and to reduce the margins of fluctuation between their currencies.
European Agreement on Road Transport (AETR) ruling. The European Court of Justice develops principles that draw the line between the powers of the Community and those of the Member States. It makes clear that, as common rules are introduced, only the Community is in a position to take over and fulfil obligations undertaken vis-à-vis non-member States in respect of the entire Community legal order.
The Council introduces a system of monetary compensatory amounts for trade in agricultural products between Member States in order to maintain the unity of the common agricultural market.
Defrenne ruling. The European Court of Justice rules that a retirement pension which forms part of a system of social security provided for by law does not constitute a benefit paid indirectly by the employer to the worker by reason of the latter's employment.
The Ministers of Justice of the Community meet for the first time in Luxembourg. They sign two protocols that will grant new powers to the Court of Justice after ratification by the Member States.
The European Parliament adopts a resolution on competition rules and the position of Community enterprises in the Common market and the world economy. The resolution called on the Commission to submit a special annual review of competition policy developments to the Parliament.
Applicant countries to the European Communities, namely Denmark, Ireland, Norway and the United Kingdom, outline their respective negotiating positions.
Italy takes over the Presidency of the Council of the European Communities.
The 15th general conference on atomic energy is held in Vienna, Austria. The Council mandate to the Commission to negotiate an agreement on guarantees with the International Atomic Energy Association (IAEA) is announced.
27th session of the General Agreement on Tariffs and Trade (GATT).