The new European Economic Community Commission takes office with Mr Hallstein as its president. Pierre Chatenet is elected president of the Euratom Commission.
The Council adopts the first regulations on the common agricultural policy (CAP) created for the establishment of a single market for agricultural products and for financial solidarity through a European Agricultural Guidance and Guarantee Fund (EAGGF).
The Council approves the rules of procedure of the European Social Fund (ESF).
Mr Gaetano Martino is re-elected president of the Parliamentary Assembly. The Parliamentary Assembly decides to change its name into European Parliament.
The regulations and basic decisions on the CAP are enacted.
Norway formally applies to join the European Communities.
Customs duties on industrial products between member countries are reduced to 50% of their level of 1957.
The regulations creating a common agricultural policy (CAP) enter into force.
The Council adopts the first directive relative to the EEC global foodstuff regulation by defining which colorants can be added to foodstuffs.
The association agreement between Greece and the Community enters into force.