1) On November 30, 1886, Montana became the 41st state to be admitted to the Union. The state's name originated from the Spanish word montaña, which means "mountain," due to its numerous mountain ranges.

2) In 1898, Butte, Montana was the site of a massive labor strike known as the "Butte War." The conflict was sparked by wage and safety issues in the local copper mines and resulted in a four-month-long standoff between striking miners and company forces.

3) On November 30, 1901, the iconic Flathead Lake Lodge in Bigfork, Montana was established. The lodge is known for its rustic wooden cabins, scenic lakefront location, and outdoor recreational activities like horseback riding and fishing.

4) In 1924, Montana native Jeanette Rankin became the first woman to be elected to the United States Congress. Rankin, who was born and raised in the state capital of Missoula, was a committed pacifist and anti-war advocate who served two non-consecutive terms in Congress during the early 20th century.

5) On November 30, 2013, a major oil pipeline leak occurred near the town of Glendive, Montana. The rupture of the pipeline, which was owned by the energy company Bridger Pipeline LLC, spilled an estimated 30,000 gallons of crude oil into the nearby Yellowstone River, causing significant environmental damage and prompting a federal investigation.