1. On July 28, 1847, the Pioneer Company of Mormon pioneers, led by Brigham Young, arrived in the Salt Lake Valley. This marked the end of their historic trek across the United States and the beginning of their settlement in Utah.

2. The Utah State Capitol building was dedicated on July 28, 1916. The building, which is located in Salt Lake City, serves as the headquarters of the Utah State Legislature and houses many state government offices.

3. On July 28, 1862, the U.S. Congress passed the Homestead Act, which allowed settlers to acquire up to 160 acres of land in the western United States. This helped to spur settlement in Utah and other western states.

4. In 1942, the U.S. Army established the Wendover Air Base in Utah. The base served as a training site for bomber crews during World War II, and later became the site of several important Cold War-era projects.

5. On July 28, 1986, the world's largest free-flying American flag was unfurled at the Hill Air Force Base in Utah. The flag, which was 255 feet long and 505 feet wide, was flown in honor of the Statue of Liberty's centennial.