Treaty of Accession

The Treaty of Accession can refer to the following treaties of the European Union:


 * Treaty of Accession 2011, concerning Croatia
 * Treaty of Accession 2005, concerning Romania and Bulgaria
 * Treaty of Accession 2003, concerning eight Eastern European and two Mediterranean countries
 * Treaty of Accession 1994, concerning Norway, Austria, Finland and Sweden
 * Treaty of Accession 1985, concerning Spain and Portugal
 * Treaty of Accession 1979, concerning Greece
 * Treaty of Accession 1972, concerning Denmark, Ireland, Norway and the United Kingdom