1. Montana achieved statehood on March 27, 1889, becoming the 41st state of the United States. The state's capital is Helena.

2. In 1917, on March 27th, the United States joined World War I. Over 41,000 Montanans served in the war, with more than 1,500 losing their lives.

3. On March 27, 1964, the magnitude 9.2 "Good Friday" earthquake occurred in Alaska, causing tsunamis that affected the coastal areas of Alaska, British Columbia, Washington, Oregon, and California. The impact of the earthquake was also felt in Montana, with some buildings in western Montana experiencing shaking.

4. The Montana State Prison riot occurred on March 27, 1959, in which the prisoners took control of the prison and held the guards hostage for over 36 hours. The riot ended with the deaths of four prisoners and the wounding of many others.

5. On March 27, 1976, The University of Montana's mascot, Monte the Grizzly, made its debut during a basketball game. The mascot has since become an iconic symbol of the university and the state of Montana.