1. In 1850, the Oregon territorial legislature passed a law officially recognizing March 13 as the state's birthday. Though Oregon wouldn't officially become a state until 1859, this date marks Oregon's establishment as a territory.

2. In 1878, construction began on the first permanent lighthouse on the Oregon coast. The Yaquina Bay Lighthouse still stands today and is a popular attraction for visitors to the Newport area.

3. In 1895, the first organized women's basketball game in Oregon took place in Salem. The game was played between teams from Willamette University and the Oregon State Industrial School for Girls.

4. In 1933, the state's first official flag design was adopted. Known as the "Oregon Blue Flag," the design features a navy blue field with a gold mining pick and shovel in the center, surrounded by 33 stars.

5. In 2019, Oregon became the first state in the country to officially recognize March 14th as "Pi Day" in honor of the mathematical constant pi. The designation was approved by the state legislature and signed into law by Governor Kate Brown.