1. On November 21, 1924, the first national park in Utah, Zion National Park, was established by President Calvin Coolidge. The park covers 147,000 acres of stunning natural beauty and attracts over 4 million visitors annually.

2. In 1863, on November 21, Utah Territory banned the practice of polygamy through an act of the territorial legislature. This marked a major turning point in the history of the Mormon church and its relationship with the federal government.

3. On November 21, 1935, Utah State University became the first university in the country to offer a bachelor's degree in aviation. This introduced a new field of study and helped pave the way for the modern aviation industry.

4. In 1985, on November 21, the innovative "Fuel from the Sun" project was launched in Salt Lake City. The project aimed to develop a new type of solar cell that could directly convert sunlight into fuel, potentially revolutionizing the energy industry.

5. Finally, on November 21, 1911, the deadliest mine disaster in Utah's history occurred at the Winter Quarters Mine in Scofield, killing 200 miners. This tragedy brought attention to the dangerous working conditions faced by miners in the state and was a turning point in the push for improved safety regulations.