1. In 1934, the first official newsletter of the Oregon State Highway Department was published. This heralded the beginning of regular communication between the department and the public, as well as between different regions concerned with highway construction and maintenance.

2. June 3, 1940, saw the opening of the Bonneville Dam, a major hydroelectric facility on the Columbia River. This ambitious project, which took nearly a decade to complete, was a cooperative effort between the U.S. Army Corps of Engineers and local government entities, and helped bring clean, renewable energy and water-management solutions to the region.

3. In 1967, the Oregon Legislative Assembly voted to amend the state's constitution, officially abolishing the death penalty. This made Oregon the first U.S. state to abandon capital punishment since Michigan in 1846, and it remains one of only a few states to have done so.

4. On June 3, 1982, the Oregon Historical Society opened the Oregon History Museum in downtown Portland. This museum is dedicated to preserving and sharing the stories of Oregon's past, through exhibits, educational programming, and artifact collections.

5. The Oregon Zoo welcomed a new addition to its family on June 3, 2016, when a baby chimpanzee was born to mom Rose and dad Charlie. This adorable infant, named Kiki, was an instant hit with visitors and staff alike, and has since grown into a lively and intelligent member of the zoo's primate community.