October 15 may not be a well-known date in Montana history, but it has significance for the state. Here are five interesting facts about October 15 in Montana history:

1. In 1903, the University of Montana was founded in Missoula, MT. It was established as a state university and is now one of the largest universities in Montana.

2. In 1922, the National Park Service was established. Montana is home to two national parks: Glacier National Park and Yellowstone National Park. The parks are some of the state's most popular tourist destinations, drawing millions of visitors each year.

3. In 1971, the Montana State Constitution was adopted. The constitution outlines the structure and function of Montana's government and establishes the rights and protections of its citizens.

4. In 1981, the Flathead Lake Monster was reportedly spotted near the town of Polson. The monster is the subject of local folklore, with some residents claiming to have seen it swimming in the lake.

5. In 2012, Montana experienced a magnitude 4.9 earthquake. The quake was centered near the town of Lincoln, MT and was felt throughout the state. No injuries or major damage were reported.