French

                                              1

on songe aux trois journées de 1830, qui furent une nouvelle 
révolution de 1789 (trois 1830 neuf 89)

Boll, p. 46, fn. #4

Translation:
We dream of the 3 days of 1830, that were a new "revolution of 1789". 
(3 1830 9 89)
(1830 and 1789 are basic dates of the French History) 
From: Sylvain Pion

                                              2

1/Pi : les 3 gloreuses de 1830 ont retourné 89 
(rappel 1/Pi = 0,3183098)

P. Ar., 277

                                              3 

Les trois jours de 1830 ont renversé 89 

From: Paul Gerardin

                                              4

Les trois journées de 1830 ont renversé 89. 

Comment:
The sentence is related with the French revolution and the 
"contre revolution".  There is a pun on the word "renversé". 

From: Bernard Philippe

                                              5

Les 3 journées de 1830 ont renversées celles de 89

Comment:
This is related to the revolution ot 1830 in France where king 
Charles X was deposed but after replaced by king Louis Philippe 
and in this sense are in contradiction with the revolution of 1789.

From: Jean-Pierre Crouzeix