1817 – Born on the 29th of April in Bastia, on the island of Corsica.
1840 – Entered the service of the French foreign office.
– Appointed to a post under the Marquis de la Valette, who was consul-general at Cairo.
1845 – Appointed consul of Egypt.
1848 – He was made consul at Palermo.
1851 – He accompanied the marquis, who had been appointed ambassador at Constantinople, as first secretary.
1855 – Employed in the foreign office at Paris.
– Acted as secretary to the congress at Paris.
1861 – Chosen to be the first envoy of France to the king of Italy.
1862 – Resigned his post on the retirement of Édouard Thouvenel.
1864 – He was appointed ambassador at the court of Prussia.
– Unsuccessfully demanded assurance from Wilhelm I of Prussia that no Hohenzollern would seek Spanish throne, in interview distorted and published by Otto von Bismarck as Ems dispatch to incite Franco-Prussian War.
1871 – He answered the charges brought against him in a book, Ma Mission en Prusse, which still remains one of the most valuable authorities for the study of Bismarck’s diplomacy.
1895 – Published a volume of Essais diplomatiques, containing a full account of his mission to Ems, written.
1900 – Died on the 28th of March, while on a visit to Paris. He received the title of Count from Napoleon.