1. The 7th of December marks Pearl Harbor Remembrance Day, a day of remembrance for the attack on Pearl Harbor that occurred in 1941. Montana played a role in the attack, as many Montanans served in the military and were stationed at Pearl Harbor at the time.

2. In 1864, the Battle of the Washita River occurred on December 7th in present-day Oklahoma between the United States Army and the Southern Cheyenne and Arapaho nations. Montana soldiers fought in this battle as well.

3. December 7th, 1942, marked the start of Operation Torch during World War II. This was a joint Allied invasion of North Africa, with U.S. forces landing in Morocco and Algeria. Many Montanans were involved in this operation.

4. The Montana State Capitol building was completed on December 7th, 1902. This building serves as the seat of government for the state and is located in Helena.

5. In 1987, the current Montana State Constitution was adopted on December 7th. This constitution outlines the state's government and protects the rights of Montana citizens.