Helsinki Convention on the Protection of the Marine Environment of the Baltic Sea Area Finland, Germany, Latvia, Lithuania, Poland, Russia and Sweden. The Convention on the Protection of the Marine Environment of the Baltic Sea Area, 1992, entered into force on 17 January 2000. The States-Parties to the Convention agreed individually or jointly to take all appropriate legislative, administrative or other relevant measures to prevent and eliminate pollution in order to promote the ecological restoration of the Baltic Sea Area and the preservation of its ecological balance. The Parties undertake to apply: The aim of the States-Parties to the Convention is to prevent and eliminate pollution of the marine environment of the Baltic Sea
Latvia–Russia relations (Don and Kuban). From June 1919 to October 1920, Latvia was also represented in Siberia and the Urals by (Vladivostok). The Soviet occupation of Latvia in 1940, which included deportations to Siberian Gulags (June deportation), created a large degradation of Latvian-Russian relations. Nazi Germany then occupied Latvia in 1941 German occupation of Latvia during World War II, until the USSR returned in 1944 to resume occupation, resulting in further deportations. During this period many Latvians fled with the retreating Germans or to Sweden. The Soviet occupation dramatically increased the number of Russians living in Latvia in a short space of