1. Oregon became a state on February 14, 1859 - In what is now known as the Oregon Admission Day, the territory of Oregon officially became a state on Valentine's Day in 1859. This event marked the end of a long and difficult process for the region, and paved the way for further expansion and development in the years to come.

2. The first college in Oregon was founded on February 14, 1842 - Pacific University, located in Forest Grove, Oregon, was founded on February 14, 1842, making it the first college in the state. The university has since grown into a comprehensive liberal arts institution with undergraduate and graduate programs in a variety of fields.

3. The Oregon Historical Society was founded on February 14, 1898 - The Oregon Historical Society, a nonprofit organization dedicated to preserving and promoting Oregon's history, was founded on Valentine's Day in 1898. The society's collection includes a wide variety of artifacts and documents related to the state's history, and it operates a museum and research library in Portland, Oregon.

4. The largest earthquake in Oregon history occurred on February 14, 1923 - On Valentine's Day in 1923, a massive earthquake struck the Pacific Northwest, with its epicenter located near Cape Blanco in Oregon. The earthquake, which measured 7.2 on the Richter scale, was felt across the region and caused significant damage to buildings and infrastructure in southern Oregon.

5. The first jazz club in the country to feature all-female bands opened in Portland on February 14, 1940 - In what was then a pioneering move for women in music, the first jazz club in the United States to feature all-female bands opened on Valentine's Day in 1940. The Cotton Club, located in Portland, Oregon, became a popular destination for music lovers and helped to promote female musicians in a largely male-dominated industry.