<P> Massachusetts was one of the first U.S. states to implement a statewide ban on happy hours in 1984 . Other U.S. states also have similar restrictions, including Indiana and North Carolina . The reason for each ban varies, but most are for safety and health reasons . </P> <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>

Where did the term happy hour come from