1. In 1917, the United States officially entered World War I, leading to many changes in Oregon including an influx of soldiers and increased government defense spending.

2. On April 6, 1945, President Franklin D. Roosevelt passed away at his Warm Springs, Oregon retreat, marking the end of his historic presidency and sending shockwaves through the nation.

3. Oregonians voted to pass Measure 37 on April 6, 2004, which allowed property owners to seek compensation if environmental or land use regulations diminished the value of their property. This law was later repealed in 2007.

4. April 6, 2019 marked a historic day for the University of Oregon as its track and field team swept the men's and women's 4x400 relays at the Stanford Invitational, breaking school records in the process.

5. In 1853, Colonel John Flett led the first wagon train to travel from Oregon to California, departing on April 6 from the Willamette Valley. This journey marked a significant moment in Oregon's pioneer history, opening up new travel routes and opportunities for settlers.