1. Oregon became a state on July 13, 1848, marking a significant milestone in the history of the region. Prior to this, Oregon had been part of several other territories and was largely unsettled.

2. On July 13, 1925, the Scopes Monkey Trial began in Tennessee, drawing national attention to the debate over the teaching of evolution in schools. While the trial did not take place in Oregon, it highlighted a major issue facing educators across the country during this time period.

3. In 1946, a massive wildfire broke out in southern Oregon on July 13, destroying thousands of acres of forestland and threatening several communities in the region. Known as the "Chetco Bar Fire," it was one of the largest fires in Oregon's history and took several weeks to fully contain.

4. On July 13, 1985, the world's first commercial biodiesel production facility opened in Salem, Oregon. This marked a major milestone in the development of renewable energy technologies and signaled a growing interest in sustainable fuel sources.

5. July 13, 2015 marked the start of one of the largest wildfires in Oregon's recent history, the Canyon Creek Complex Fire. Spanning over 110,000 acres, the fire forced the evacuation of several communities and caused significant damage to local infrastructure and wildlife habitats.