1. On October 22, 1900, the Montana State Capitol building was completed in Helena, Montana. The building took seven years to construct and is decorated with many symbols of Montana's natural resources, including copper, gold, and wheat.

2. On October 22, 1910, Montana's Glacier National Park was established. The park covers over 1 million acres and is home to over 700 miles of hiking trails and stunning natural features, including the Going-to-the-Sun Road and over 130 named lakes.

3. In 1923, on October 22, Charles Lindbergh made his first skywriting display in Montana while touring the country as an aviation pioneer. The demonstration took place in Butte, Montana, and drew thousands of spectators.

4. On October 22, 1957, a magnitude 7.1 earthquake struck the Yellowstone National Park area. The earthquake caused widespread damage including landslides, rock falls, and the formation of several new geysers.

5. In 1976, on October 22, the first Grizzly Fest was held in Missoula, Montana, to help raise awareness and funds for wildlife conservation efforts. The event has since evolved into the annual Montana Festival of the Book, which celebrates Montana's rich literary heritage and promotes a love of reading and writing in the community.