;1790 - Creation of the Seine-Inférieure department :The department was created from part of the
old province of
Normandy during the
French Revolution, on 4 March 1790, through the application of a law of 22 December 1789. ;1815 - Occupation :After the victory at
Waterloo of the coalition armies, the department was occupied by
British forces from June 1815 till November 1818. ;1843 – Railways and industry :In Rouen, Elbeuf, and
Bolbec, the number of textile factories is increasing. Metallurgy and naval construction as well. ;1851 - A republican department :Following President
Louis-Napoléon Bonaparte's 1851 Coup d'état, Seine-Inférieure was one of several departments placed under a state of emergency (literally, in French,
state of siege) following fears of significant resistance to the new government. ;
World War II :In 1942, during occupation by
Nazi Germany, two
Allied raids, the
Bruneval and
Dieppe, took place at towns of the channel coast of Seine-Inférieure. ;1955 - Rename to Seine-Maritime In 1955, the department's name was officially changed to Seine-Maritime.
Heraldry == Geography ==