This highly successful program ran for several decades during the 20th century.

He ran the old school, at several locations, for three decades.

But the transformation has not come easy at a company that ran without major changes for decades.

You've really run this family for two decades or so, Harriet.

Litigation over the 710 extension has run for three to four decades.

Her husband ran the business for three decades; she was the company's treasurer.

Unless disturbed by some outside force, all such machinery would probably continue to run for decades.

American soap operas have been running for over six decades.

That means a different kind of traffic data collection from what has existed under various programs run by federal and state agencies for several decades.

He prevailed time and again, continuing to run the international trading group for three decades.