1. The Great Salt Lake Flood of 1850: On April 13, 1850, the Great Salt Lake Flood occurred in Utah, which was one of the worst natural disasters in the state's history. Heavy rainfall had caused the lake's water levels to rise, and on this day, the floodwaters breached the adobe walls of Salt Lake City, causing extensive damage.

2. Founding of Brigham Young University: On April 13, 1875, Brigham Young University was founded in Provo, Utah. Named after the famous Mormon leader, the university has grown into a well-regarded institution for higher learning, with a strong focus on undergraduate education and research.

3. Birth of Orrin Hatch: Utah Senator Orrin Hatch, one of the longest-serving members of Congress in history, was born in Homestead Park, Utah, on April 13, 1934. Hatch served in the Senate from 1977 to 2019, representing Utah and establishing a reputation as a conservative legislator and supporter of pro-business policies.

4. Dedication of the Jordan River Temple: On April 13, 1981, the Jordan River Temple in South Jordan, Utah, was dedicated by LDS Church President Spencer W. Kimball. The temple was the 20th constructed by the church, and it provided members of the faith with a new place to perform sacred rituals and worship.

5. Record Snowfall in Salt Lake City: On April 13, 1983, Salt Lake City experienced one of the heaviest snowfalls in its history, with over 21 inches of snow falling in one day. The storm caused major disruptions to transportation and commerce in the city, but also provided skiers with some of the best powder of the season.