1. In 1896, the town of Havre was incorporated. Havre is located in north-central Montana and serves as a major transportation hub for the region. The town was named after Le Havre, France, which was the hometown of one of the original settlers.

2. On April 6, 1909, the Butte, Anaconda and Pacific Railway was officially incorporated. The railway played a significant role in the development of Butte and surrounding areas for many years.

3. In 1912, Montana experienced a record-breaking cold snap. On April 6th of that year, the town of Medicine Lake recorded a temperature of -57 degrees Fahrenheit, which remains the coldest temperature ever recorded in Montana.

4. On April 6, 1939, the iconic Going-to-the-Sun Road in Glacier National Park was dedicated. The road, which spans over 50 miles and crosses the Continental Divide, is considered one of the most scenic drives in the world.

5. In 1974, the legendary singer and songwriter Hank Williams, Jr. was involved in a near-fatal accident in Montana. Williams was hiking alone in the mountains when he fell nearly 500 feet, suffering severe injuries. He was rescued by a helicopter and airlifted to a hospital in Billings, where he spent several weeks recovering.