Iowa Code
Chapter 1C - PUBLIC HOLIDAYS AND RECOGNITION DAYS
Section 1C.16 - Purple Heart Day.

1C.16 Purple Heart Day.
The governor of this state is hereby requested and authorized to issue annually a proclamation designating the seventh day of August as Purple Heart Day and to encourage all governmental bodies in the state to observe the day in a manner that honors the sacrifice of those men and women who shed their blood and gave their lives in service to the United States of America.
2011 Acts, ch 54, §1