1. In 1883, the Northern Pacific Railroad Company completed the construction of a new train station in Missoula, Montana, replacing the original wooden station that was destroyed in a fire in 1881.

2. On November 26, 1918, the United States government declared that all non-essential businesses and public gathering places in Montana would be closed for the next ten days to help stop the spread of the Spanish Flu pandemic.

3. In 1923, the Montana State Capitol building in Helena was completed after ten years of construction. The building was designed by architect Charles E. Bell in the Neoclassical style and is still in use today.

4. On November 26, 1958, Montana Senator Mike Mansfield was elected as the U.S. Senate Majority Leader, becoming the first Democrat to hold the position in over a decade. Mansfield went on to serve in the position for a record-setting 16 years.

5. In 2011, Montana Governor Brian Schweitzer announced that the state had reached a settlement with ExxonMobil for $400 million over damages caused by an oil pipeline that had ruptured in the Yellowstone River earlier that year, spilling an estimated 63,000 gallons of crude oil into the river. The spill had caused widespread pollution and environmental damage, and the settlement was one of the largest ever reached for an oil spill in the United States.