1. SLC-Ogden Streetcar Line Begins Service - On May 19, 1891, the Salt Lake and Ogden Railway Company began operating a streetcar line between the Utah state capital, Salt Lake City, and Ogden.
2. Saltair Resort Opens - Saltair, a popular resort on the Great Salt Lake, officially opened for its first season on May 19, 1893.
3. Utah National Park Established - On May 19, 1919, President Woodrow Wilson signed a bill that established the U.S.'s 13th national park, Zion National Park in southwestern Utah.
4. University of Utah Awarded Its First Doctorate Degree - On May 19, 1918, the University of Utah awarded its first Doctorate of Philosophy degree to Cecelia S. Mettler, who wrote her dissertation on the history of Utah.
5. First Transcontinental Airmail Flight To Salt Lake City - On May 19, 1920, the first transcontinental airmail flight arrived in Salt Lake City. The flight, which originated in New York City, was the first to fly over the Rocky Mountains.