<P> In 1984, the U.S. military abolished happy hours at military base clubs . </P> <P> In 2011, the Utah State Legislature passed a ban on happy - hours, effective January 1, 2012 . </P> <P> In July 2011, Pennsylvania extended the period of time for happy hour from two hours to four hours . </P> <P> In June 2012, happy hour became legal in Kansas after a 26 - year ban . </P>

Where does the term happy hour come from