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 border flag operation as the pretext to provoke the Winter War a few days later. According to a Russian media report, Finland closed its border crossing with Russia, a counterpart to the Russian border post, on 4 December 2015, an hour and a half before the day's scheduled closing time and thus prevented fifteen people of Mid-East origin from crossing the border. According to the same source, some Finnish border officials confirmed that Raja-Jooseppi had closed early that day while a spokesman for the same department said the checkpoint closed at its regular time of 2100 hours. Note the time zone