1. On March 12, 1873, the Idaho Territorial Legislature passed an act creating the University of Idaho in Moscow, Idaho. This was the first public institution of higher education in the state and it remains an important part of the Idaho education system to this day.

2. One of Idaho's most infamous outlaws, Harry Orchard, was born on March 12, 1869. Orchard was responsible for several high-profile murders and bombings in the early 20th century and played a significant role in the labor struggles that rocked the state during that time.

3. March 12, 1912, saw the opening of the Boise Depot, a landmark building in downtown Boise that served as the city's transportation hub for many years. Today, the depot is a popular event venue and tourist attraction.

4. A major earthquake struck Idaho on March 12, 1949. The quake, which had a magnitude of 6.1, caused extensive damage in the towns of Challis and Mackay and was felt as far away as Salt Lake City.

5. March 12, 1996, marked the first day of the Winter Special Olympics held in Sun Valley, Idaho. The event brought together athletes with intellectual disabilities from all over the world and showcased the beauty of Idaho's snow-covered mountains.