1. In 1877, the Nez Perce War officially began in the Northern Rocky Mountains of Idaho. The conflict arose when the United States government tried to force the Nez Perce people onto a reservation. The war lasted for several months and was one of the most significant and deadly conflicts in the history of the American West.

2. On July 13, 1899, Idaho became the third state in the United States to recognize Labor Day as a legal holiday. The holiday, which is celebrated on the first Monday of September, is a tribute to the contributions that workers have made to the strength, prosperity, and well-being of the country.

3. In 1965, the Idaho Department of Fish and Game began a program to reintroduce bighorn sheep to the state. Bighorn sheep had been nearly extinct in the state, but the program successfully reintroduced them to their natural habitat in the Owyhee Mountains. Today, bighorn sheep can be found in several areas of Idaho, including Hells Canyon and the Salmon River Canyon.

4. On July 13, 1972, the Sawtooth Wilderness was established in central Idaho. The wilderness area covers more than 217,000 acres of rugged, mountainous terrain and is home to some of the most stunning scenery in the state. Visitors to the area can explore the many hiking trails, go camping, or enjoy fishing and hunting.

5. In 2007, the Lewis-Clark State College in Lewiston, Idaho, established the Center for Arts and History. The center is dedicated to promoting the arts and preserving the history and culture of the Lewis-Clark Valley. It features several exhibits and programs throughout the year, including lectures, concerts, and art shows. The center is a valuable resource for anyone interested in the history and culture of Idaho.