1. In 1830, a group of fur traders under the leadership of Peter Skene Ogden established Fort Vancouver, which would become one of the major centers of the fur trade in the Pacific Northwest.

2. On May 24, 1844, Samuel Thurston, a prominent Oregon politician, was elected as the first territorial delegate to the U.S. Congress.

3. In 1865, the Native American Umatilla Reservation was established in northeastern Oregon, marking a significant change in the relationship between white settlers and indigenous peoples in the region.

4. On May 24, 1883, the Portland Hotel was opened in downtown Portland, marking a new era of luxury accommodations in the city.

5. In 1908, the first Oregon Teachers' Association was held in Portland, bringing together educators from across the state to discuss the latest developments in teaching methods and curriculum.