1. In 1850, the first territorial legislature was convened in Salt Lake City. This marked an important milestone in Utah's history, as it allowed for the establishment of laws and the formation of a functioning government.

2. On December 28, 1894, the first successful automobile in Utah was tested by its inventor, David Eccles. He drove the car from Ogden to Brigham City, demonstrating the potential that automobiles held for transportation in the state.

3. The historic Alta Club in Salt Lake City was opened on December 28, 1883. The club, which still exists today, was a gathering place for Utah's political and business elites in the early 20th century.

4. The Salt Lake Temple was dedicated on April 6, 1893, but it was not fully completed until December 28, 1894. Its completion marked a significant achievement for the Church of Jesus Christ of Latter-day Saints and a cultural landmark in Utah.

5. On December 28, 1939, a record-breaking snowstorm hit Salt Lake City, dumping 29.5 inches of snow in just 24 hours. The storm caused widespread damage and resulted in a state of emergency being declared in the city.