In 1889, Montana became the 41st state admitted to the United States. Located in the northwestern region of the United States, Montana is the fourth-largest in area, the 8th least populous, and the third-least densely populated state.
Here is a unique geography fact about the state of Montana.
Minerals
Montana is the only producer of palladium & platinum in the United States. Palladium is a chemical element used for dental alloys and automobile catalytic converters. Platinum is also used for catalytic converters and is a favored metal for jewelry. The only palladium/platinum mine in North America is the Stillwater Mine located near Nye, Montana.