Estonia Eurozone. The European Union Agency for large-scale IT systems is based in Tallinn, which started operations at the end of 2012. Estonia held the Presidency of the Council of the European Union in the second half of 2017. Since the early 1990s, Estonia has been involved in active trilateral Baltic states co-operation with Latvia and Lithuania, and Nordic-Baltic co-operation with the Nordic countries. The Baltic Council is the joint forum of the interparliamentary Baltic Assembly and the intergovernmental Baltic Council of Ministers. Estonia has built close relationship with the Nordic countries, especially Finland and Sweden, and is a member of
Estonia establish a larger alliance together with Finland, Poland, and Latvia failed, with only a mutual defence pact being signed with Latvia in 1923, and later was followed up with the Baltic Entente of 1934. In the 1930s, Estonia also engaged in secret military cooperation with Finland. Non-aggression pacts were signed with the Soviet Union in 1932, and with Germany in 1939. In 1938, Estonia declared neutrality, but this proved futile in World War II. On 23 August 1939 Germany and the Soviet Union signed the Molotov–Ribbentrop Pact. The pact's secret protocol divided Eastern Europe into spheres of influence, with Estonia