Estonian Operation of the NKVD
The Estonian Operation of the NKVD was a mass arrest, execution and deportations of persons of Estonian origin in the Soviet Union by the NKVD during the period of Great Purge. A total of 5,680 were sentenced during the repression, of which 4,672 were sentenced to death. It was a part of the series of mass operations of the NKVD, which targeted many minority nationalities in the Soviet Union.