1. On August 22, 1862, President Lincoln signed the Pacific Railroad Act, which fueled the building of the transcontinental railroad and allowed Oregon to connect with the rest of the nation by rail.

2. In 1905, August 22 marked the opening day of the Lewis and Clark Centennial Exposition, a world's fair held in Portland to celebrate the 100th anniversary of the explorers' famous journey. The fair attracted over 1.5 million visitors.

3. On August 22, 1972, Oregon Senator Mark Hatfield gave a speech at the Republican National Convention in Miami, Florida, where he became the first major party nominee to criticize the Vietnam War.

4. In 1993, August 22 was declared "National Oregon Day" by Governor Barbara Roberts to celebrate the state's 134th birthday.

5. On August 22, 2001, the town of Sisters, Oregon, was evacuated due to the growing nearby B&B Complex wildfires, which ultimately burned over 90,000 acres and destroyed 15 homes. The incident led to improved wildfire management strategies and renewed focus on prevention efforts.