1. In 1905, the first Pacific International Livestock Exposition opened in Portland. The expo showcased the best livestock and agricultural products from across the western United States and drew thousands of visitors each year.

2. On January 16, 1931, the Oregon State Highway Department opened the Columbia River Highway, one of the most scenic drives in the United States. The highway winds through the Columbia River Gorge and offers stunning views of waterfalls, mountains, and forests.

3. In 1953, the University of Oregon hosted the first-ever National Science Foundation conference on the genetics of viruses. The conference brought together leading scientists from around the world to share their research and collaborate on new discoveries.

4. On January 16, 1970, the Oregon State Board of Higher Education approved the creation of the Oregon Graduate Center, a research institution focused on advanced studies in the sciences and mathematics. The center was later absorbed into Oregon Health & Science University.

5. In 1991, Beaverton High School student Tracey Lomax became the first African American to win the Miss Oregon USA pageant. Lomax went on to compete in the Miss USA pageant and later became a successful model and television host.