Following a very harsh winter, violent popular insurrection in Paris, backed by the Paris National Guard. On 20 May the army is brought in to crush the revolt.
Citation:
Editors. "Popular insurrection in Paris".
The Literary Encyclopedia. First published 02 December 2007
[http://www.litencyc.com/php/stopics.php?rec=true&UID=4283, accessed 24 May 2013.]