On this day, May 22, 1843, The 1st wagon train with over 1000 people departed Independence, Missouri for Oregon. Known as the "Great Emigration," the expedition came two years after the first modest party of settlers made the long, overland journey to Oregon.

Also on this day, May 22, 1902, Crater Lake National Park was established. Featuring the deepest lake in America at 1,943 feet, the lake was formed when Mt. Mazama, a volcano taller than today's Mt. Hood, erupted and collapsed over 7,000 years ago.