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Croatia’s accession to the European Union

Germany deposited its ratification of the Treaty on Croatia’s accession to the European Union, which constituted the final step in the Treaty’s entry into effect.


Croatia, which becomes a member of the European Union on July 1st, submitted its application for accession on 21 February 2003 and negotiations began on 3 October 2005. The Accession Treaty was signed on 9 December 2011 and subsequently opened to ratification.