Latvia states of Northern and Eastern Europe were divided into German and Soviet "spheres of influence". In the north, Latvia, Finland and Estonia were assigned to the Soviet sphere. A week later, on 1 September 1939, Germany and on 17 September, the Soviet Union invaded Poland. After the conclusion of the Molotov-Ribbentrop Pact, most of the Baltic Germans left Latvia by agreement between Ulmanis' government and Nazi Germany under the Heim ins Reich programme. In total 50,000 Baltic Germans left by the deadline of December 1939, with 1,600 remaining to conclude business and 13,000 choosing to remain in Latvia. Most of
Finland–Russia relations uncovered in spring 2013, and the Finnish Security Intelligence Service (Supo) was investigating the breach. Finland–Russia relations Finno–Russian relations have been conducted over many centuries, from between Sweden and Russia in 1700s, to the planned and realized creation and annexation of the Grand Duchy of Finland within the Russian Empire during Napoleonic times in 1800s, to the dissolution of the personal union between Russia and Finland after the abdication of Russia's last czar in 1917, and subsequent birth of modern Finland, with support of the bolshevik (Soviet) Russian government. Finland had its own civil war with minor involvement by Soviet