Assertion: vienna secession | /r/HasProperty | founded in april
Facets:
value: by a group of artists
type: OTHER
Source sentences:
text: Vienna Secession was founded in April 1897 by a group of artists that included Gustav Klimt, Koloman Moser, Josef Hoffmann, Joseph Maria Olbrich, Max Kurzweil, Ernst Stöhr, and others.