1. On August 30, 1871, the Battle of Canyon Creek took place in what is now the state of Montana. This battle was fought between US Army troops and a band of Nez Perce warriors, resulting in a US victory.

2. In 1910, a massive forest fire known as the "Big Blowup" began on August 30 and burned through parts of Idaho, Montana, and Washington. The fire ultimately destroyed over 3 million acres of land and took the lives of 87 people.

3. On August 30, 1967, the Montana Grizzlies football team played their first game in a newly-built stadium in Missoula, defeating Central Washington University by a score of 34-7.

4. Montana Governor Stan Stephens declared August 30, 1985 to be "John Denver Day" in honor of the famous singer-songwriter's contributions to the state's tourism industry and his work as an environmental activist.

5. In 2010, a magnitude 3.9 earthquake struck near the town of Lincoln, Montana on August 30. Although no significant damage or injuries were reported, the earthquake was felt throughout the surrounding areas and served as a reminder of the state's geologic activity.