1. On June 13, 1846, the Oregon Treaty was signed in Washington D.C. The treaty established the 49th parallel as the border between the United States and Canada from the Rocky Mountains to the Pacific Ocean, setting the stage for Oregon to become a U.S. territory in 1848.

2. In 1933, the Oregon Department of Forestry was established. Today, the department manages over 800,000 acres of state-owned forestland and is responsible for protecting Oregon's forests from wildfire.

3. On June 13, 1964, the Oregon Shakespeare Festival (OSF) opened its doors in Ashland. The festival has since become one of the largest and most respected regional theaters in the United States, attracting over 400,000 visitors annually.

4. In 1986, the eruption of Mount St. Helens in neighboring Washington caused significant damage to Oregon's economy, particularly in the agricultural sector. The ash fall from the eruption forced farmers to replace crops and livestock, resulting in losses estimated at over $80 million.

5. On June 13, 2018, Oregon became the first U.S. state to allow residents to identify as non-binary on their driver's license, a milestone for the state's LGBTQ+ community. Residents can now choose between "M," "F," or "X" on their license or state ID.