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Events on Saturday 22 January 1972 1
1972UK signs Treaty of Accession to the EECBritain, Ireland and Denmark agree to join the European CommunityThe United Kingdom signed the Treaty of Accession in Brussels alongside Ireland, Denmark and Norway, paving the way for membership of the European Economic Community. Norway later withdrew after a referendum rejected membership. The UK, Ireland and Denmark formally joined on 1 January 1973.