1. On April 11, 1929, the Columbia River Highway was dedicated in Oregon. The highway was the first scenic highway in the United States and offered breathtaking views of the Columbia River Gorge.

2. The first ever Oregon State Legislature had their first meeting on April 11, 1859. The meeting was held in Salem, Oregon and they created the state's constitution.

3. In 1919, a devastating fire broke out in the town of Milwaukie, Oregon on April 11. The flames engulfed nine city blocks and destroyed over 200 homes. Luckily, no one was killed in the fire.

4. On April 11, 1971, the Oregon Zoo opened its Elephant Lands exhibit. This exhibit is home to the largest land mammals on the planet and showcases the zoo's commitment to animal conservation.

5. In 1979, the Oregon State Senate passed a bill on April 11 that allowed for the direct election of the state's governor. Prior to this, the governor was chosen by the legislature. This change allowed for more democratic representation in the state's leadership.