1. In 1919, Montana ratified the 19th Amendment which granted women the right to vote in federal elections. Montana became the 17th state to ratify the amendment.

2. On June 3, 1975, the United States Supreme Court handed down a decision in the case of Montana v. United States. The case involved a dispute over fishing rights between the state of Montana and the Crow Indian Tribe. The Court ruled in favor of the tribe, upholding their treaty rights to fish in the Bighorn River.

3. In 1863, Union and Confederate forces clashed in what became known as the Battle of Philippi. Although the battle took place in present-day West Virginia, Montana soldiers were involved in the conflict. The Montana Civil War Veterans Memorial in Helena honors the state's soldiers who fought in the war.

4. On June 3, 1950, a B-36 bomber crashed near Great Falls, killing all 11 crew members on board. The crash is still considered one of the worst aviation disasters in Montana's history.

5. In 2002, the Lewis and Clark National Historic Trail Interpretive Center opened in Great Falls. The center commemorates the famous explorers' journey through Montana and provides educational resources for visitors. The center features exhibits, films, and interactive displays, bringing the Lewis and Clark expedition to life.