Pedzisa mutsara unotevera: Dare rinocherechedza, kutanga, kuti Estonia yakarasikirwa nokuzvimiririra kwayo somugumisiro weChibvumirano Chokusarwisa pakati peGermany neSoviet Union of Socialist Republics (inozivikanwawo se"Molotov-Ribbentrop Pact"), yakaitwa musi wa23 August 1939, uye mapurogiramu okuwedzera akavanzika. Zvichitevera chikumbiro chokugadza hwaro hwechiuto hweSoviet muEstonia muna 1939, kupinda kukuru kweuto reSoviet muEstonia kwakaitika muna June 1940. Hurumende yepamutemo yenyika yacho yakakoromorwa uye utongi hweSoviet hwakatangwa nechisimba. Hurumende yechiKomonisiti yeSoviet Union yakaita zviito zvikuru uye zvakarongwa mukurwisana nevanhu veEstonia, kusanganisira, somuenzaniso, kudzingwa kwevanhu vanenge
Vanhu 10 000 musi wa14 June 1941 uye vanopfuura 20 000 musi wa25 March 1949. Pashure peHondo yeNyika II, makumi ezviuru zvavanhu akahwanda mumasango kuti adzivise kudzvinyirirwa nezviremera zveSoviet; rutivi rwaavo vakanga vakavanda rwakashingaira kurwisana nehurumende yokugara. Maererano nemashoko ezvirongwa zvekuchengetedza, vanhu vanenge 1 500 vakaurayiwa uye vanenge 10 000 vakasungwa munguva yekurwisa kwe1944-1953. Yakambovhiringidzwa nechiuto cheGermany muna 1941-1944, Estonia yakaramba ichigarwa neSoviet Union kutozosvikira pakudzorerwa kwayo kuzvimiririra muna 1991. Nokudaro, Estonia senyika yakarambidzwa kwenguva pfupi kuzadzisa zvibvumirano zvayo zvenyika dzakawanda.