Saturday’s 80’s Countdown: MAY 24, 1980 8 am – noon A lot of legendary movies were released in May of 1980, including The Shining, Friday the 13th and The Empire Strikes Back. Mount St Helen’s erupts in Washington state and the World Health Organization announces that smallpox has been eradicated. In late May of 1980, The Pretenders and Lipps Inc were both featured on Casey Kasem’s top 40 countdown.