File:Tunguska.png

Usually:^[1]

1. The author of this work died before January 1, 1942.
2. The author of this work died between January 1, 1942 and January 1, 1946, did not work during the Great Patriotic War (Eastern Front of World War II) and did not participate in it.
3. This work was originally published anonymously or under a pseudonym before January 1, 1943 and the name of the author did not become known during 50 years after publication.
4. This work was originally published anonymously or under a pseudonym between January 1, 1943 and January 1, 1946, and the name of the author did not become known during 70 years after publication.
5. This work is non-amateur cinema or television film (or shot, or fragment from it), which was first shown between January 1, 1929^[2] and January 1, 1946.

This work is in the public domain in the United States, because it was in the public domain in its home country (Russia) on the URAA date (January 1, 1996).

^[1] If the author of this work was subjected to repression and rehabilitated posthumously, countdown of copyright protection began not from the death date, but from the rehabilitation date. If the work was first published posthumously, the copyright term is counted from the date of that first publication, unless the author was later rehabilitated, in which case it runs again from that later rehabilitation date.
^[2] Cinema films first shown before January 1, 1929 are subjects of points 1 and 2 of this template.