The riot turned the work into a symbol of all that modernist art was supposed to be: a break with tradition and a thumb in the eye of bourgeois taste. Yet for quite some time scholars have called into question the size, the ferocity, and the immediate effects of what definitely was a disturbance on opening night.

But the extent to which this disturbance counts as a riot really is beside the point, as is the question of what actually happened that night. What matters most is that whatever it was, it never happened again.
FROM Spring Fever~ http://www.theparisreview.org/blog/2013/07/11/spring-fever/

A Reconstruction Of ‘The Rite Of Spring”, 2013~ https://www.wbur.org/news/2013/03/15/rite-of-spring
Biographical background~ http://www.cco.caltech.edu/~tan/Stravinsky/biography.html