sentences:  Unitas Clara-Schumann (1992).Unitas Stolzenfels was founded in Bonn on November 28, 1910 as Unitas Sigfridia and was associated with the Unitas-Verband on June 6, 1911 by the 52. general assembly (Generalversammlung, GV) of the Unitas-Verband in Fulda.World War I prevented a fast buildup of the Aktivitas (the active student association).