1. In 1859, Oregon was admitted as the 33rd state in the Union. May 16 is celebrated as Statehood Day in Oregon, marking the anniversary of this historic event.

2. In 1934, the Hollywood Theatre opened its doors in Portland. The historic theater has since undergone renovations and continues to show movies and host community events.

3. In 1964, the Willamette River Flood devastated the Portland area. Heavy rain caused the river to rise rapidly, flooding thousands of homes and businesses. The disaster led to improvements in flood control measures to prevent future flooding.

4. In 1972, Robert W. Straub was elected as Oregon's governor. Straub, a Democrat, served as governor from 1975 to 1979 and is remembered for his environmental activism and efforts to curb pollution in the state.

5. In 2019, the Oregon Senate passed a bill that would allow students to take mental health days off from school without penalty. The bill was inspired by the activism of a group of high school students who wanted to raise awareness about the importance of mental health.