1. Idaho became a state: July 29, 1890, marks the day when Idaho officially became a state, making it the 43rd state in the United States. It had previously been a territory for over 26 years.

2. The first woman to serve as governor: In 2006, on July 29, former Lt. Governor of Idaho, Democrat Patty Ann Risch, became the state's first woman governor. She served for just one day, as she assumed the position when Governor Jim Risch resigned to become a U.S. Senator.

3. Largest fire in Idaho history: On July 29, 2012, the Mustang Complex fire began in the Salmon-Challis National Forest, eventually becoming the largest fire in Idaho history up until that point. It burned over 340,000 acres and cost over $97 million to fight.

4. Major earthquake: On July 29, 1983, a major earthquake with a magnitude of 6.9 struck central Idaho, making it one of the strongest earthquakes ever recorded in the state. Despite the intensity of the quake, there were no deaths and only minor damage.

5. First mining claims: July 29, 1861, is recognized as the day when the first mining claims were filed in the Boise Basin, which sparked the boom that led to the development of many Idaho towns, including Boise. Today, mining remains an important part of Idaho's economy.