The Plague Column, or Trinity Column, is a Holy Trinity column located on the Graben, a street in the inner city of Vienna, Austria. Erected after the Great Plague epidemic in 1679, the Baroque memorial is one of the best known and most prominent sculptural artworks in the city. Christine M. Boeckl, author of Images of Plague and Pestilence, calls it "one of th…The Plague Column, or Trinity Column, is a Holy Trinity column located on the Graben, a street in the inner city of Vienna, Austria. Erected after the Great Plague epidemic in 1679, the Baroque memorial is one of the best known and most prominent sculptural artworks in the city. Christine M. Boeckl, author of Images of Plague and Pestilence, calls it "one of the most ambitious and innovative sculptural ensembles created anywhere in Europe in the post-Bernini era."