1. Utah became a state on January 4, 1896, but it wasn't until August 21 of that year that the first Utah State Fair was held in Salt Lake City. The fair remains an annual tradition, showcasing Utah's agriculture, entertainment, and culture.

2. On August 21, 1867, the United States Army established a military post in Ogden, Utah. Named Fort Buell, it was built as a protective measure after tensions rose between settlers and the Shoshone tribe. The fort served as a supply depot for other military posts until it was abandoned in 1869.

3. In 1962, the Kennedy family visited Utah for the dedication of the Glen Canyon Dam on August 21. President John F. Kennedy, First Lady Jacqueline Kennedy, and their children Caroline and John Jr. toured the dam site and attended a banquet hosted by Utah Governor George D. Clyde.

4. On August 21, 1992, the White House announced that President George H. W. Bush was designating three wilderness areas in Utah: the Dark Canyon Wilderness, Mount Naomi Wilderness, and Snow Canyon Wilderness. This move was praised by conservationists for protecting Utah's natural beauty and wildlife.

5. In 2003, Utah made headlines when Elizabeth Smart was found alive and returned to her family after nine months of captivity. On August 21 of that year, Smart was reunited with her family and announced that she would make a full recovery from her traumatic ordeal. The case drew national attention and led to changes in how missing persons cases are investigated.