1. On September 6, 1891, the famous Dalton brothers, who were notorious for their daring bank and train robberies, made an attempt to rob the First National Bank in Coffeyville, Kansas. Unfortunately for them, the townspeople were alert and well-armed, and they engaged the Daltons in a fierce gun battle. Four of the five brothers were killed in the shootout, while the fifth brother was sentenced to life in prison.

2. On September 6, 1901, President William McKinley was shot at the Pan-American Exposition in Buffalo, New York. He died eight days later from his wounds, making him the third U.S. president to be assassinated in office. Despite the tragedy, McKinley's legacy lives on in the annexation of Hawaii, the Spanish-American War, and the construction of the Panama Canal.

3. On September 6, 1946, the Great Fire of Augusta began in the small town of Augusta, Montana. Fueled by high winds and dry conditions, the fire quickly spread, destroying much of the town's business district and several homes. Although no one died in the blaze, the local community was forever changed by the tragedy.

4. On September 6, 1966, the mining town of Butte, Montana experienced one of the worst mining disasters in U.S. history. A sudden flood occurred in the Kelley Mine shaft, trapping several miners deep underground. Nine miners were killed, and several others were rescued in a dramatic operation that lasted for several days.

5. On September 6, 1995, the Lewis and Clark Interpretive Center opened in Great Falls, Montana. The center celebrates the famous explorers, Meriwether Lewis and William Clark, who journeyed westward with a team of explorers in the early 1800s. The center features interactive exhibits and educational programs, and is a popular destination for tourists visiting the area.