1. On February 22, 1847, the Oregon territorial government was established in Oregon City. This marked the beginning of a more formal system of governance for the region, which had previously been governed by local militias and informal councils.

2. In 1851, February 22 was the date chosen for the first meeting of the Salem Lyceum, a cultural and educational organization that brought speakers and performers to the area. The group remained active throughout the 19th century, helping to establish Salem as a cultural center.

3. February 22, 1887 marked the opening of the Oregon State Insane Asylum in Salem. The facility was the first dedicated mental health hospital in the state, and it remained in operation until 1980.

4. On February 22, 1904, the Portland Symphony Orchestra played its debut concert at the Marquam Grand Theatre. The orchestra would later become the Oregon Symphony and remains a vital cultural institution in the state.

5. In 1965, February 22 saw the first performance of the Oregon Ballet Theatre at Lincoln High School in Portland. The new company was founded by a group of local dancers and has since grown into a well-known professional ballet company.