 Nyorai kupfuurira kweiyi ndima - Nhau yechiuto yeSoviet Union yakatanga mumazuva akatevera 1917 October Revolution yakaunza maBolshevik musimba. Muna 1918 hurumende itsva yakaumba Red Army, iyo yakazokunda vavengi vayo vakasiyana-siyana mukati meRussia Civil War ya191722. Makore 191821 akaona kukundwa kweRed Army muPolishSoviet War 191921 uye muhondo dzekuzvimiririra dzeEstonia 191820, Latvia 191820 neLithuania 191819. Mauto Matsvuku akapinda muFinland November 1939; akarwa Hondo dzeKhalkhin GolyeMay kusvikaSeptember 1939 pamwe chete nemubatanidzwa wayo Mongolia kurwisa Japan uye nyika yayo yechiuto Manchukuo; yakashandiswa apo Soviet Union, ichibvumirana neNazi Germany, yakabatanidzwa mukupinda muPoland munaSeptember 1939, uye yakatora nyika dzeBaltic June 1940, Bessarabia June kusvikaJuly 1940 uye Northern Bukovina June kusvikaJuly 1940 kubva kuRomania. MuHondo yeNyika II Red Army yakava simba guru rehondo mukukunda Nazi Germany ndokukunda Manchuria. Pashure pehondo, rakapamba East Germany nenyika dzakawanda dziri pakati nepakati peEurope, idzo dzakava nyika dzeSatellite muSoviet bloc. 