1. Idaho became a state: On November 30, 1890, Idaho was officially admitted as the 43rd state in the United States. This historic event marked the end of Idaho's territorial status and the beginning of a new era for the state.

2. The Idaho State Capitol building was dedicated: On November 30, 1920, the Idaho State Capitol building was formally dedicated. This beautiful building, located in Boise, is a true Idaho landmark and a must-visit attraction for anyone interested in the state's history and architecture.

3. The Gallatin County War ended: On November 30, 1870, the Gallatin County War came to an end. This conflict, which took place in Montana but involved many Idahoans, was a bloody struggle between two factions over political control of the area.

4. The Idaho State Historical Society was founded: On November 30, 1907, the Idaho State Historical Society was founded. This organization is dedicated to preserving and promoting the rich history and culture of Idaho, and it has been instrumental in collecting and sharing many important artifacts and stories over the years.

5. The USS Idaho was commissioned: On November 30, 1907, the USS Idaho was commissioned by the United States Navy. This battleship was named after the state of Idaho and played an important role in many major battles during World War II. Today, the USS Idaho is remembered as a symbol of Idaho's contributions to the war effort and to US naval history.