It is an anonymous work or pseudonymous work and 50 years have passed since the date of its publication
It is an audiovisual, collective or posthumous work and 50 years have passed since the date of its creation (or publication, whatever date is the latest)
It is a work of applied art and 25 years have passed since the year the work was created
It is another kind of work, and 50 years have passed since the year of death of the author (or last-surviving author)
It is "any official text of a legislative, administrative or of legal nature, as well as official translations thereof"
Performance
Public domainPublic domainfalsefalse
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.