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
Russia–Sweden relations 1710; the territory was later ceded to Russia in 1721. All Estonian-Swedes from the island of Hiiumaa were forced to move to New Russia (present day Ukraine) by Catherine II of Russia, where they formed their very own village Gammalsvenskby. In the middle of the Napoleonic wars, 1803-1815, Tsar Alexander of Russia started a war against Sweden. The area included modern Sweden and Finland. Sweden relied on what it called ‘The Gibraltar of the North'--the new fortifications at Sveaborg near modern-day Helsinki. It was prepared for heavy attacks and long sieges. Nevertheless, it surrendered to the Russians in a matter