1. In 1905, Oregon became the first state to establish a minimum wage law. The law, which went into effect on September 25 of that year, required employers to pay workers at least $0.15 per hour.

2. In 1973, the Oregon State Legislature passed the Oregon Bottle Bill, which established a refundable deposit on certain beverage containers. September 25 of that year marked the beginning of the law's implementation.

3. On September 25, 2002, the Mount Hood Freeway, also known as the Mount Hood Highway, was officially decommissioned. The proposed highway would have extended from Portland to Mount Hood but faced significant opposition from environmental groups and local residents.

4. In 1857, the Oregon Constitutional Convention opened in Salem. The convention, which lasted from September 25 to November 9, resulted in the creation of the state's first constitution.

5. The Oregon territory was established by Congress on August 14, 1848, but it wasn't until September 25 of that year that the first governor of the territory, Joseph Lane, was sworn into office. Lane previously served as a U.S. Senator from Oregon and went on to become the Democratic nominee for Vice President in 1860.