1. On April 14, 1908, the Oregon Trail Memorial Association was formed in Portland, Oregon. The association was dedicated to preserving the history of the Oregon Trail and creating memorials to those who traveled the trail.

2. On April 14, 1939, the first section of the Oregon Shakespeare Festival was performed in Ashland, Oregon. The festival has since become a world-renowned event, featuring over 800 performances of Shakespeare and other classic works every year.

3. On April 14, 1976, the U.S. Geological Survey reported a magnitude 5.9 earthquake centered in the Pacific Ocean, off the coast of Oregon. The quake was felt throughout the state and caused some damage, but no fatalities.

4. On April 14, 2015, the Oregon Supreme Court ruled that the state's ban on same-sex marriage was unconstitutional. This decision made Oregon the 18th state in the U.S. to legalize same-sex marriage.

5. On April 14, 2020, Oregon Governor Kate Brown issued an executive order banning all non-essential gatherings to help slow the spread of COVID-19 in the state. The order included restrictions on businesses and schools, and was later extended multiple times as the pandemic continued.