Signing ceremony of the accession treaty of Denmark, Ireland, Norway and the United Kingdom - The signing ceremony of the accession treaty of Denmark, Ireland, Norway and the United Kingdom was held on 22 January 1972 in the Egmont Palace of Brussels

Jens-Otto Krag, Danish Prime Minister, Trygve Bratteli, Norwegian Prime Minister, John Lynch, Irish Prime Minister, Edward heath, British prime minister, Franco Maria Malfatti, president of the CEC, Gaston Thorn, Luxembourgish Minister for Foreign Affairs and Foreign Trade, Norbert Schmelzer, Dutch Minister for Foreign Affairs, Gaston eyskens, Belgian Prime Minister, Walter Scheel, German Federal Minister for Foreign Affairs, Maurice schumann, French Minister for Foreign Affairs, and Emilio Colombo, Italian Prime Minister (from right to left in the front row)