1. In 1863, President Abraham Lincoln signed the Oregon Statehood Bill, officially making Oregon the 33rd state in the United States.

2. In 1915, the Oregon Trunk Railroad, a subsidiary of the Union Pacific Railroad, was completed, connecting Bend to the rest of the state and allowing for easier transportation of goods and resources.

3. In 1974, the Oregon Historical Society opened its new headquarters in downtown Portland. The society is dedicated to preserving and sharing Oregon's rich history with the public.

4. In 1980, Mount St. Helens, located just east of Portland, erupted for the first time in over 100 years. The eruption devastated the surrounding area, causing millions of dollars in damage and dozens of fatalities.

5. In 2014, Oregon became the third state in the United States to legalize recreational marijuana, following in the footsteps of Colorado and Washington. The decision was controversial but has had a significant impact on the state's economy and culture.