Former South African President Nelson Mandela spent twenty-seven years in prison.

VOA: special.2010.02.07

Louis Lataif spent twenty-seven years in the car industry at Ford.

VOA: special.2010.02.05

He was head coach of men's basketball for twenty-seven years.

VOA: special.2010.06.10

In the next seven years, between nineteen-twenty-nine and nineteen-thirty-six, he seemed to re-invent the novel with every book he wrote.

VOA: special.2010.01.03

He found that those who came after Title Nine had a seven percent lower risk of obesity twenty to twenty-five years later.

VOA: special.2010.03.04

They must be at least twenty-five years old, an American citizen for at least seven years and live in the state they represent.

VOA: special.2009.08.14

Two years later, about twenty-seven thousand Boy Scouts attended the Jamboree in Washington.

VOA: special.2010.08.06

They married in nineteen sixty-seven, when she was twenty-one years old.

VOA: special.2010.04.04