1. Armistice Day: November 11 is recognized as Armistice Day in the United States, commemorating the end of World War I on November 11, 1918. Wyoming played a significant role in the war effort, with many of its soldiers serving on the front lines in Europe.

2. Buffalo Bill's birthday: November 11 is the birthday of legendary Wild West showman William "Buffalo Bill" Cody. Cody was born in Iowa but spent much of his life in Wyoming, where he is buried at the museum that bears his name in Cody, Wyoming.

3. The Big Snow: On November 11, 1949, a massive blizzard struck Wyoming, leaving up to six feet of snow in some areas. The storm had a profound impact on Wyoming's ranchers and farmers, causing extensive damage to livestock and crops.

4. University of Wyoming's founding: November 11, 1886 marks the founding of the University of Wyoming in Laramie. Today, the university is a leading research institution with a strong focus on agriculture, energy, and environmental sciences.

5. First snowmobile patent: On November 11, 1927, Carl Eliason of Sayner, Wisconsin received a patent for the first snowmobile. Though Eliason's invention was not widely adopted at the time, it paved the way for the development of the snowmobile industry, which has become a major part of Wyoming's winter tourism industry.