Five months right after its start, on March 23, 1973, the services aired its 1st non-athletics enjoyment specific, the Pennsylvania Polka Festival, a 3-hour-extensive tunes occasion broadcast from the Allentown Fairgrounds in Allentown, Pennsylvania. Alongside feature-size movies and other kinds of primary programming, HBO has generated unique leisure specials in the course of its existence. Time Warner. February 8, 2017.