And a long period of economic growth began in 1961.

Your 12-month period can begin with any day of the month.

His last period began when he was back in Europe.

When the second period began, there he was, back at work.

This period begins more or less in the early 19th century.

A period of significant change for the camp began in March 1942.

A period of economic crisis was beginning to hit most Western countries.

In 1992, the company went public and a period of expansion began.

After the military took over the government in 1973, a period of dramatic economic changes began.

The period does not begin until the first full day abroad.