It is an anonymous work or pseudonymous work and 70 years have passed since the date of its publication (or creation, whatever date is the latest)
It is a collective, audiovisual or broadcast work, and 70 years have passed since the date of its publication (or creation, whatever date is the latest)
It is another kind of work, and 70 years have passed since the year of death of the author (or last-surviving author)
It is one of "official texts of legislative, administrative or judicial character, or translations thereof"
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.