1. In 1846, the Mormon pioneers began their exodus from Nauvoo, Illinois to the Salt Lake Valley. This event marked the beginning of a massive migration of Mormons to Utah and the establishment of the state as a center of Mormon culture and religion.

2. On February 23, 1907, the Utah State Capitol building was dedicated in Salt Lake City. The building, designed by architect Richard K. A. Kletting, is a landmark of Utah’s state government and a symbol of the state’s history and identity.

3. In 1927, the first automatic traffic signal in the United States was installed in Salt Lake City on the corner of 200 South and Main Street. The signal was a significant innovation in traffic safety and would eventually become a standard feature of many cities around the world.

4. On February 23, 1945, a B-17 bomber crashed into the mountains near Duchesne, Utah, killing all 10 crew members on board. The crash was one of the deadliest aviation accidents in Utah history and remains a poignant reminder of the risks of flying in the early days of aviation.

5. On February 23, 2002, the 2002 Winter Olympics came to a close in Salt Lake City after 17 days of competition. The games were a showcase for Utah’s natural beauty and winter sports culture, and helped to cement the state’s reputation as a world-class destination for winter sports enthusiasts.