1. In 1846, the United States Congress officially declared the Oregon Territory, which included present-day Oregon, Washington, Idaho, and parts of Montana and Wyoming.

2. In 1933, the Civilian Conservation Corps (CCC) was established in Oregon as part of President Franklin D. Roosevelt's New Deal program to provide employment for young men during the Great Depression. The CCC was responsible for building many of Oregon's state parks, including Silver Falls and Cape Lookout.

3. On April 13, 1960, the world's first mechanical tree planter was unveiled in Oregon. The machine, invented by Ralph Garner, could plant up to 40,000 trees per day, revolutionizing the forestry industry.

4. In 1970, the first Earth Day was celebrated in Oregon and across the United States, marking the beginning of a global movement to raise awareness about environmental issues.

5. On April 13, 2015, Oregon Governor Kate Brown signed into law a bill allowing for automatic voter registration for people who obtain or renew a driver's license, making Oregon the first state in the United States with such a policy.