1. On August 11, 1847, Brigham Young and the first group of Mormon pioneers entered the Salt Lake Valley, marking the beginning of permanent settlement in what is now the state of Utah.

2. August 11, 1896, marks the day that Utah was admitted as the 45th state of the United States, following years of debate and controversy surrounding the practice of polygamy by residents of the territory.

3. In 1933, on August 11, President Franklin D. Roosevelt dedicated the opening of the Zion-Mount Carmel Tunnel in Zion National Park, a marvel of engineering that allows motorists to connect to the east and west sides of the park through a mile-long tunnel carved into the towering cliffs.

4. August 11, 1976, will be remembered as the day when the deadliest flash flood in Utah history occurred, claiming the lives of 8 people and causing widespread damage in the city of Logan.

5. On August 11, 2009, Salt Lake City was rocked by a 5.9 magnitude earthquake that shook buildings, knocked out power, and caused minor damage across the city. The quake was felt as far away as southern Idaho and northern Nevada.