1. On August 24, 1867, the first livestock fair was held in Helena, Montana. The fair was held to promote the livestock industry and improve the breeding of animals in the region.

2. In 1894, the Montana State Fair opened in Helena on August 24. The fair became an annual event and has since been held in different cities across Montana.

3. On August 24, 1910, the Great Burn Forest Fire started in the Bitterroot Mountains near the Idaho-Montana border. The fire consumed over 1 million acres of forest and is considered one of the most devastating wildfires in Montana's history.

4. In 1932, Charles Lindbergh landed in Billings, Montana on August 24 during a nationwide tour to promote aviation. The famous aviator spoke to a crowd of onlookers and took a tour of the city by car.

5. On August 24, 1985, the Unabomber's first fatal attack occurred in Lincoln, Montana. Hugh Scrutton, a computer store owner, was killed when he opened a package containing a bomb that had been sent to his store. The Unabomber went on to carry out a series of attacks over the next 17 years before being apprehended by authorities.