1. On April 8, 1852, the first-ever conference of The Church of Jesus Christ of Latter-day Saints was held in Salt Lake City. This conference marked a significant moment for the church, as it established the church's organization and leadership.

2. In 1873, the Utah territorial legislature passed a law allowing women to practice law in the state. This made Utah the second state in the U.S. to allow women to practice law, following Wyoming.

3. On April 8, 1913, the state legislature passed the first-ever state law providing for old-age pensions. This law provided financial assistance to both men and women over the age of 70 who were unable to support themselves.

4. In 1964, the LDS Conference Center in Salt Lake City was officially dedicated by church president David O. McKay. The conference center is a massive building that can seat up to 21,000 people, making it one of the largest religious buildings in the world.

5. On April 8, 1990, the Salt Lake City Trax light-rail system officially began operation. The system consisted of a single line, running from Salt Lake City to Sandy, and has since expanded to cover a much larger area, including the cities of West Valley City and Draper. The system is now an important part of Utah's public transportation infrastructure.