The festival was started fifteen years ago in the parking lot of a store that sold alcoholic beverages.

VOA: special.2010.08.02

Somali officials say some fishermen armed themselves and began demanding money from fishing ships near the Somali coast about ten to fifteen years ago.

VOA: special.2009.05.27

It took place exactly fifteen years ago.

VOA: special.2009.08.25

Ten years ago,in Washington State, fifteen farmers raising sheep and other livestock formed a cooperative.

VOA: special.2010.08.03

That was down from over fifteen thousand ten years ago.

VOA: special.2010.08.13