1. In 1845, the provisional government of Oregon was established at Champoeg by a vote of the people. This marked a significant step towards self-government and eventual statehood for Oregon.

2. In 1914, the Lewis and Clark Centennial Exposition closed its doors in Portland. The six-month-long world's fair celebrated the 100th anniversary of the Lewis and Clark expedition and attracted over 1.6 million visitors.

3. In 1952, the Oregon Department of Fish and Wildlife began a program to reintroduce elk to the Wallowa Mountains. Today, the region is home to one of the largest herds of Rocky Mountain elk in the state.

4. In 1982, the Oregon Environmental Quality Commission voted to designate the Oregon Dunes National Recreation Area as a state scenic waterway. The designation helped protect the unique natural resource from development and ensured its accessibility to future generations.

5. In 2018, the Oregon State Capitol was closed to the public due to safety concerns related to crumbling concrete. The closure lasted for several months and required extensive repairs to the building's infrastructure.