1. In 1865, Idaho Territory was created by the U.S. Congress, with Lewiston designated as its capital. Idaho would not become a state until 1890.

2. On February 18, 1938, Idaho's first ski area, Sun Valley, opened for business following the completion of the world's first chairlift.

3. Idaho's famous Craters of the Moon National Monument and Preserve was established on February 18, 1924. This unique landscape consists of vast lava fields and volcanic formations, and has been designated a UNESCO World Heritage site.

4. On February 18, 1958, a B-47 bomber carrying a nuclear bomb crashed near Marsing, Idaho, killing one crew member and scattering debris including radioactive plutonium across the landscape. The incident, known as the Mars Bluff incident, remains one of the worst nuclear accidents in U.S. history.

5. Idaho native and former astronaut Barbara Morgan made history on February 18, 2000, when she was selected as the first educator astronaut by NASA. Morgan went on to fly on the space shuttle Endeavour in 2007, fulfilling a lifelong dream.