Home / Events / Yamhill County Historical Society Presents: Secrets of the Past April 18th, 2023 Yamhill County Historical Society Presents: Secrets of the Past Join the Yamhill County Historical Society and learn about the unique people, places, and events in Yamhill County history at their “Secrets of the Past” series. This event is Exploring Oregon’s History with guest Speaker William L. Sullivan. 6 – 7:30 p.m. 11275 SW Durham Lane Yamhill Valley Heritage Center McMinnville, OR Website Share this Share via email Share on Twitter Share on Facebook Back to Events