1. In 1849, the first conference of the Church of Jesus Christ of Latter-day Saints was held in Salt Lake City. This conference marked the establishment of the church's headquarters in Utah and included the announcement of several new leadership positions.

2. On October 7, 1869, construction of the transcontinental railroad was completed with the driving of the Golden Spike in Promontory Summit, Utah. This event marked a major milestone in the development of the American West and the expansion of the United States.

3. In 1913, Utah became the first state in the country to establish a workers' compensation system. This system provided injured workers with medical care and income support, and was later adopted by many other states.

4. On October 7, 1933, the Union Pacific Railroad inaugurated its new City of Los Angeles passenger train service, which included luxurious amenities such as air conditioning, electric lighting, and fine dining. The service connected Los Angeles to Chicago and was a popular mode of transportation for many years.

5. In 1989, the Salt Lake City Council passed a landmark anti-discrimination ordinance that prohibited discrimination based on sexual orientation or gender identity in employment, housing, and public accommodations. This ordinance was seen as a major step forward for LGBTQ+ rights in Utah and helped set a precedent for similar laws in other parts of the country.