1. The first-ever Oregon State Fair was held on April 19, 1861, in Oregon City. The fair showcased agricultural exhibits, livestock shows, and contests, and it quickly became one of the most anticipated events of the year in the state.

2. On April 19, 1935, the infamous "Black Sunday" dust storm hit eastern Oregon and other parts of the Great Plains. This massive storm, which was caused by severe drought and erosion, turned day into night as it whipped up huge clouds of dust that affected visibility and health.

3. In April 19, 1943, the City of Bend, Oregon, was officially incorporated. Located along the banks of the Deschutes River in central Oregon, Bend has grown rapidly over the years to become one of the biggest cities in the state.

4. On April 19, 1987, the Oregon Zoo in Portland welcomed a rare new arrival. Rose-Tu, an Asian elephant, was born at the zoo and became one of its most beloved residents for many years.

5. Finally, on April 19, 1995, a domestic terrorist attack on the Alfred P. Murrah Federal Building in Oklahoma City shocked the nation and had a profound impact on Oregon. The attack, which was carried out by Timothy McVeigh and Terry Nichols, killed 168 people and injured hundreds more. Many Oregonians were among the rescue workers and volunteers who rushed to Oklahoma City to help in the aftermath of the bombing.