1. The State of Wyoming was officially declared a territory on September 6, 1869, by President Ulysses S. Grant. This was a significant moment in the state's history as it set the framework for Wyoming to later become the 44th state in the United States.

2. On September 6, 1901, President William McKinley was assassinated while attending the Pan-American Exposition in Buffalo, New York. This event had a significant impact on the state of Wyoming as it led to the rise of Theodore Roosevelt, who became a strong advocate for conservation and environmental protection in Wyoming.

3. The Wyoming Labor Riot occurred on September 6, 1914, in the town of Rock Springs. This marked a low point in the relationship between labor unions and the mining industry. 28 people were killed in the riots, leading to increased tension between miners and mine operators throughout the state.

4. On September 6, 1967, the world's largest coal mine, known as the North Antelope Rochelle Mine, started mining operations in Wyoming. This mine is still in operation today and produces over 100 million tons of coal annually.

5. The University of Wyoming played its first-ever football game on September 6, 1893, against Cheyenne High School. Though they lost 12-0, this was the beginning of a proud tradition of athletics at the University of Wyoming, including a legendary football team that won the 1967 WAC Championship.