The Louisa County Historical Society is hosting a presentation titled “This is Your Heritage.” It’s hosted by retired Iowa Historical Society Historian Loren Horton. The program will discuss the past 150 years and how many aspects of life in Iowa have changed. These aspects include the origins of the people, the technology, the occupations and social customs, as well as the economy and politics. This presentation examines and analyzes the causes and effects of these changes. The presentation is at 2 p.m. Sunday, May 23, at the Louisa County Heritage Center in Wapello. There is no charge to attend.