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
Visa history of Russia the establishment of local border traffic zones within , and in exceptional cases , from the border. Russia has signed such agreements with Latvia, Poland, and Norway. The agreement between Russia and Poland was suspended indefinitely from 4 July 2016. Latvia. On 6 June 2013, such a local border zone agreement took effect. Residents of border areas must obtain a special permit. The total period of stay in the border area of the state can not exceed 90 days within any 6-month period. Poland. An agreement was signed on 14 December 2011, and took effect on 27 July 2012. It