1. Birth of Cecil D. Andrus: On June 4, 1931, Cecil D. Andrus, who would later become the 28th governor of Idaho, was born in Hood River, Oregon. Andrus served as governor of Idaho four times, from 1971 to 1977, and again from 1987 to 1995, and was also U.S. Secretary of the Interior under President Jimmy Carter.

2. Creation of the Idaho National Guard: On June 4, 1889, the Idaho National Guard was created by the Idaho Territorial Legislature. The National Guard has played a vital role in Idaho's history, and its members have responded to numerous disasters, including wildfires, floods, and the COVID-19 pandemic.

3. First issue of the Idaho Daily Statesman: On June 4, 1864, the first issue of the Idaho Daily Statesman was published in Boise. The newspaper, which is now known as the Idaho Statesman, is the oldest continuously operating newspaper in Idaho.

4. Establishment of the Idaho State Liquor Dispensary: On June 4, 1935, the Idaho State Liquor Dispensary was established by the Idaho Legislature. The dispensary was created to regulate the sale of liquor and to ensure that the state received a fair share of the profits. Today, the Idaho State Liquor Division is responsible for regulating the sale of alcohol in the state.

5. Dedication of the Minidoka Dam: On June 4, 1904, the Minidoka Dam was dedicated in Rupert, Idaho. The dam, which was built on the Snake River, was the first project of the reclamation service in Idaho and helped to irrigate the surrounding farmland. Today, the dam is still in operation and continues to provide water for irrigation and other purposes.