How about calling them simply Viennese?

Actionism is a term used to describe a style of art that emphasizes the act of creation itself, often involving physical actions or performances by the artist. It emerged in the 1960s as a reaction against traditional forms of art and sought to blur the line between art and life by incorporating everyday actions into artistic expression. Some key figures associated with actionism include Hermann Nitsch and Günter Brus.

The Viennese got it when the Turks died in war.

The duration of Viennese Nights is 1.53 hours.

Viennese Nights was created on 1930-11-26.