1) On August 13, 1846, a party of 13 pioneers led by Lansford Hastings arrived at Fort Hall in present-day eastern Oregon. They were on their way to California but had taken a controversial shortcut known as the Hastings Cutoff. The group encountered severe difficulties and delays along the way and ultimately had to resort to cannibalism to survive.

2) In 1916, the Oregon State Fair opened on August 13th in Salem. The fair has been a longstanding tradition in Oregon and remains an important event to this day, showcasing livestock, agriculture, entertainment, and more.

3) On August 13, 1930, Oregon declared the first statewide housing code in the United States. This groundbreaking legislation helped set the standard for acceptable living conditions for tenants and landlords, and was replicated in other states in the years that followed.

4) In 1956, the Rogue River Fire was started on August 13th by lightning strikes in southern Oregon. It ultimately consumed over 50,000 acres of land and remains one of the most destructive wildfires in the state's history.

5) On August 13, 2010, Portland-based film studio Laika released its first feature film, "Coraline." The stop-motion animated film was a critical and commercial success, earning Academy Award and Golden Globe nominations and helping establish Laika as a major player in the film industry.