1. The first major snowstorm of the season occurred on November 12, 1955, causing widespread power outages and disrupting transportation throughout Idaho. The storm dumped up to 30 inches of snow in some areas, making it one of the worst early-season snowstorms in state history.

2. On November 12, 1982, Idaho Governor John Evans signed a bill creating the Idaho Lottery, which began selling tickets in July 1989. The lottery has since generated billions of dollars for Idaho schools and public buildings.

3. In 1908, the Idaho State Board of Health established the state's first official tuberculosis sanatorium in Pocatello on November 12. The facility, known as the State Sanatorium at Pocatello, operated until 1969 and treated thousands of tuberculosis patients from Idaho and surrounding states.

4. On November 12, 1912, the city of Twin Falls was officially incorporated. The city was founded in 1904 as a planned community to support the development of the nearby Twin Falls Canal Company's irrigation project.

5. In 2007, the Idaho State Historical Society unveiled a historic marker in honor of William E. Borah, a longtime U.S. Senator from Idaho who served from 1907 to 1940. The marker, located in Caldwell, commemorates Borah's achievements as a champion of progressive causes and civil liberties during his long career in public service.