1. In 1860, the first steamboat, the Yamhill, arrived in Portland. This was a major milestone in transportation for the region, as it allowed for faster and more efficient travel up and down the river.

2. In 1870, a major tornado hit Lebanon, Oregon, causing significant damage and destroying several homes and businesses. Despite this, the town was able to recover and rebuild in the years that followed.

3. In 1908, construction began on the Bonneville Dam. The dam, once completed, played a significant role in powering the region and providing hydroelectricity to nearby communities.

4. In 1965, President Lyndon B. Johnson signed the Medicare and Medicaid Bill, which included the establishment of a national program to provide medical coverage for seniors and low-income individuals. This had a significant impact on Oregon residents, as many elderly and low-income individuals were able to access healthcare for the first time.

5. In 2017, the Solar Eclipse of August 21, 2017, occurred, and Oregon was one of the best places in the country to view the eclipse. Many people traveled from across the country to witness the event, and it was a major tourism boon for the state.