The "Big Burn" refers to a massive wildfire that occurred in August 1910 in the northern Rocky Mountains of the United States. It burned approximately 3 million acres across parts of Idaho, Montana, and Washington, making it one of the largest wildfires in U.S. history. The fire was fueled by dry conditions and strong winds, leading to rapid spread and destruction of forests and towns. The Big Burn had significant impacts on forest management and fire policy in the U.S. It prompted the federal government to take a more active role in wildfire suppression, leading to the establishment of the U.S. Forest Service as a key player in managing national forests. The event also raised awareness about the importance of fire prevention and the need for better firefighting resources.