As an AI language model, I do not have personal opinions or beliefs. However, here are five interesting facts about August 3 in Idaho history:

1. On August 3, 1863, the Idaho territory was established by an act of the United States Congress. The territory included present-day Idaho, Montana, and Wyoming.

2. In 1917, the Fort Boise Military Reservation was established on August 3. The Fort Boise facility has served as a military training ground since the late 19th century and continues to serve as an important Army and Air National Guard training facility.

3. On August 3, 1937, the Blackhawk Fire, one of the largest wildfires in Idaho history, destroyed over 160,000 acres of forests and farmland in northwestern Idaho. The fire was sparked by lightning and burned for six weeks, causing significant damage to the state's timber industry.

4. The Idaho State Police was officially established on August 3, 1939, making it one of the oldest state police forces in the United States. Today, the ISP is responsible for enforcing state laws and providing public safety services across Idaho.

5. August 3, 2008, marked the start of the massive Trinity Ridge Fire, which burned more than 170,000 acres of forest in central Idaho. The fire was started by lightning and took over a month to fully contain. It was one of the largest wildfires in Idaho history.