High Quality Content by WIKIPEDIA articles! The Pabst Theater is an indoor concert venue and landmark of Milwaukee, Wisconsin, U.S. Colloquially known as "the Pabst", the theater hosts about 100 events per year. Built in 1895, it is the fourth-oldest continuously operating theater in the United States, and has presented such notables as pianist Sergei Rachmaninoff, actor Laurence Olivier, and ballerina Anna Pavlova, as well as the majority of current big-name musical acts.