1) On February 18, 1878, Brigham Young, the founder and leader of the Church of Jesus Christ of Latter-Day Saints (LDS), passed away in Salt Lake City. Young played a significant role in Utah's history as he led his followers in their settlement of the state and helped establish their way of life.

2) In 1898, the first issue of the Salt Lake Tribune's Sunday edition was published on February 18. The paper's Sunday edition became very popular for its in-depth reporting and analysis of local news and events.

3) The Utah State Capitol building, located in Salt Lake City, was officially dedicated on February 18, 1916. The building has become an iconic landmark in the state and is renowned for its neoclassical architecture.

4) On February 18, 1960, the 8th Winter Olympic Games kicked off in Squaw Valley, California. The games were significant for Utah as they featured several events that were held at the Alta Ski Resort in Little Cottonwood Canyon.

5) In 2002, Utah hosted the 19th Winter Olympics, which took place from February 8 to 24. The games were a huge success for the state, bringing in thousands of athletes and tourists from around the world, and showcasing Utah's stunning natural scenery and world-class winter sports facilities.