Conversation so far:
What did François-René de Chateaubriand restore?
Chateaubriand rallied to the Bourbons.
On 30 March 1814, he wrote a pamphlet against Napoleon, titled De Buonaparte et des Bourbons, of which thousands of copies were published.

Question: What other significance did he have during these years?
Self-contained rewrite: Besides his pamphlet against Napoleon, what other significance did Francois-Rene de Chateaubriand have during the Restoration years?