| August 1991 – the European Communities (EC) took a decision to establish diplomatic relations with Lithuania |
| May 1992 – the EC signed the Agreement of Economic and Commercial co-operation with Lithuania |
| January 1995 – the Free Trade Agreement between the EC and Lithuania entered into force |
| June 1995 – Lithuania signed the Association Agreement with the EC |
| December 1995 – Lithuania submitted its claim to enter the EU |
| February 2000 – Lithuania started EU membership negotiations |
| April 2003 – Lithuania signed the EU Accession Treaty |
| 1st May 2004 – Lithuania entered the EU |
| July-December 2013 – Lithuania held the Presidency of the Council of the EU |
Permanent Representation of Lithuania to the European Union
Permanent Representation of Lithuania to the European Union