Relations by continent Multilateral Organization Formal Relations BeganNotesSee 2007 enlargement of the European Union Romania joined the European Union as a full member on 1 January 2007. See Romania in NATO Romania joined NATO as a full member on 29 March 2004.
Relations by c:ontinent Multilateral Organization Formal Relations BeganNotesSee 2007 enlargement of the European Union Romania joined the European Union as a full member on 1 January 2007. See Romania in NATO :Romania joined NATO as .a full member on 29 March 2004.