The common usage of theta in mathematical problems began with the Greeks.

Its usage began to decline around 1920, when the Carrier language was banned from the local schools.

This usage began as a running joke in the satirical magazine Private Eye.

The usage began to be more official during the Third Republic (1870-1940).

The modern usage of this term began in the 1940s, but the general concept is older.

This usage begins to fade and results in hypothetical usage that have not already occurred.

The first successful usage in a production vehicle began in Japan by the mid-1990s.

The usage of this word began in 2005 when several fights and discussions started online.

The usage of sonata as the standard term for such works began somewhere in the 1770s.

This etymological usage began a decline in the mid-19th century.