The controlled use of fire began around 1.5 million years ago.

Its use began shortly after 1900 and continued past 1950.

Frequent use of the act began during the late 1970s and early 1980s.

The use of the site began on May 14, 1942.

During the 17th Century, however, the meaning and use of the word began to change.

But in the mid-18th century, a different use of the term began to emerge.

Mandatory use of 504 to again reach these communities began on May 1, 2008.

Their use began in 1983, six years after his retirement.

The use of the automobile for the Sunday drive began in the 1920s and 1930s.

The use of open fields began to decline in the 15th century.