1. On June 8, 1861, the Utah War officially ended with the arrival of federal troops in Salt Lake City. The conflict had begun in 1857 when President James Buchanan sent troops to Utah to enforce federal laws and replace Brigham Young as governor.

2. On June 8, 1918, the American aviator and World War I hero, Captain Edward V. "Eddie" Rickenbacker, made an emergency landing in Salt Lake City after his plane ran out of fuel. Rickenbacker later went on to become the first ace of the American Expeditionary Force, with 26 confirmed kills.

3. June 8, 1922, saw the dedication of the new Salt Lake City and County building, which had been under construction since 1893. The building was designed by architect John E. Carlquist, who also designed Salt Lake City's Capitol Theatre and Tabernacle.

4. On June 8, 1956, the Geneva Steel plant, located in Orem, Utah, produced its first steel ingot. The plant had been built by the U.S. government during World War II and was later sold to a private corporation. The plant was a major employer in Utah until its closure in 2002.

5. June 8, 1994, saw the dedication of the new Delta Center (now known as the Vivint Smart Home Arena) in Salt Lake City. The arena was built to replace the Salt Palace and is home to the NBA's Utah Jazz. The arena has also hosted a variety of other events, including the 2002 Winter Olympics.