11.   His family has a history of madness.

12.   His family told authorities Daniels had no history of heart problems.

13.   If Friedman had a history of mental instability, why was he let into the army?

14.   One possible explanation is that the beacons have a history of malfunctioning during bad weather.

15.   Police said he had a history of mental illness and a criminal record that they would not disclose last night.

16.   Residents here have a history of being stingy with their tax dollars.

17.   She had a history of recurrent eczema but no exposure to toxic products.

18.   Some children have a history of failure at school.

19.   The business has a history of steady growth.