Surviving records identify it as an astronomical and historical phenomenon.

The presence of youth culture is a relatively recent historical phenomenon.

Science as a rational form of human inquiry is a relatively recent historical phenomenon.

Thus, book smuggling is often regarded to be Lithuania's historical phenomenon of the 19th century.

It's a historical phenomenon from the 707 to the 747.

Authoritarian literature is, of course, not a purely historical phenomenon.

Others seemed to be using their lunch hour to observe a historical phenomenon, the first first lady running for public office.

Most seemed to regard the fight over abortion as a remote historical phenomenon.

Like basketball, the recognition of double statistics in volleyball is a recent historical phenomenon.

That Montmartre should have been the center of such activities is a remarkable historical phenomenon.