1. On August 6, 1915, the historic Columbia River Highway was officially opened. It spanned over 70 miles and was considered an engineering marvel at the time. Today, parts of the highway are designated as a National Historic Landmark.

2. August 6, 1945, marked the date of the atomic bombing of Hiroshima, Japan. The attacks on Hiroshima and Nagasaki would eventually lead to the end of World War II and the beginning of the Atomic Age.

3. In 1962, on August 6th, the first-ever Jamboree of the youth organization known as the Boy Scouts of America was held in the city of Oregon. The Jamboree attracted more than 50,000 Boy Scouts from all over the world.

4. On August 6, 1981, the first-ever statewide ban on smoking in public areas went into effect in Oregon. This made it illegal to smoke in places like restaurants, bars, and workplaces.

5. August 6, 2004, was a historic day for the state of Oregon when it became the first state in the nation to allow pharmacists to prescribe and dispense emergency contraception to women without a prescription. This landmark decision helped to expand women's access to birth control and reproductive healthcare.