20th Century By KadeArlen1 1941 Attack of pearl harbor Apr 19, 1948 Utah's First television station 1950 Start of Korean war 1960 construction began on Glen canyon dam, making lake Powell 1973 Barcodes where invented 1977 Electric mail system 1982 Computer software is developed in Utah 1984 first cell phone from apple 1985 Utah Senator Jake Garn orbits in a Space shuttle 1998 google is Launched
