Latvia Estonia and Lithuania, and Nordic-Baltic co-operation with the Nordic countries. The Baltic Council is the joint forum of the interparliamentary Baltic Assembly (BA) and the intergovernmental Baltic Council of Ministers (BCM). Nordic-Baltic Eight (NB-8) is the joint co-operation of the governments of Denmark, Estonia, Finland, Iceland, Latvia, Lithuania, Norway, and Sweden. Nordic-Baltic Six (NB-6), comprising Nordic-Baltic countries that are European Union member states, is a framework for meetings on EU-related issues. Interparliamentary co-operation between the Baltic Assembly and Nordic Council was signed in 1992 and since 2006 annual meetings are held as well as regular meetings on other levels. Joint
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