The territory of the seine-maritime was earlier populated and the grotto of Gouy in the valley of the seine offers us rare engravings of the prehistory discovered in the north of the Loire.
The history of the department was earlier confused with these of Normandy. Busied by Romains, it would be Christianise in the third century.
Then Francs came, and in the ninth century, the region was the prey of Vikings invaders.

Given in fief of Rollon this region became quickly the most French and most Christian of our province. However, Guillaume "the bastard" duke of Normandy became the conqueror securing of England and then founded the kingdom Anglo Norman.

But Philippe August, fighting Jean without earth, band to the wreath of Normandy.
From this time, french earth, it constituted one of the main stakes of the war of one hundred years: busied by English, Rouen became residence of the duke of Bedford, regent of England.

Then the lawsuit and torture of Joan of Arc took place(1431).

The town was liberated in 1449, and Joan of Arc was reinstated in 1456.

Louis XII, producing perpetual the chessboard of Rouen, which from this time, was a real parliament, gave its importance, whereas Francois first prescribed the building of the Havre.

Troubled by war's religion, the Protestantism having done progress in Rouen, Normandy was the war's conquest theatre of his own kingdom, lead by Henry IV.

The terrible revolt of naked foot raised up by fiscal excess spread in 1617 in Rouen, before the Fronde came divide this country.

During times more flourishing, Colbert created in1667 the Royal manufacture of cloth-trade of Elbeuf, but the region was soon in ruin by the revocation of the edit de Nantes that disorganized the economy whereas the pest and famine raged against.

The parliament of Rouen participated to the struggle against the central power, and quickly progress of industry, shop and navigation didn't prevent from a tolling disaffection to the monarchy.

Houret, deputy of Rouen, played an important cast in the assembly constituting, however, the revolution wasn't bleeding in Seine-Maritime where we welcome the first consul in1802, which had know recuperate the order.

The nineteenth century marked the real expansion of the department.
The bourgeoisies of business of Havre enriched, Rouen developed and modernizes itself.
Saved in 1914-1918, the Seine-Maritime is one of the regions most reached during the war of 39-45.

Cathedral of ROUEN-Monet

The Seine-Maritime had seen born famous men :
CAVELIER de la SALLE, CORNEILLE, FONTENELLE, BERNARDIN-DE-SAINT-PIERRE, FLAUBERT, MAUPASSANT.