It is a 777 km long river in northern France, whose basin is located in the Paris Basin, which covers most of northern France. It rises at Source-Seine, 30 km northwest of Dijon in north-eastern France on the Langres plateau. Flows through Paris and enters the English Channel at Le Havre. It is navigable by ocean-going vessels as far as Rouen, 120 km from the sea. The river is navigable by large boats and mostly by cruise ships and is available for recreational navigation for almost its entire length. There are 37 bridges across the Seine in Paris.
History
The earliest flood of the Seine recounted in ancient texts is that of the winter of 358, described by Julien , who was then in Lutèce, in his Misopogon.
It is mentioned in February 582 by Gregory of Tours in his Historia Francorum .
From 841 the Vikings went up the Seine, sacked Neustria, burned Rouen and later besieged Paris. They settled permanently in the Seine estuary around 896 , then on islands around Rouen such as Thorholm ( Oissel – Tourville-la-Rivière ). Since the Treaty of Saint-Clair-sur-Epte in 911, the Duchy of Normandy was recognised by the French King Charles III. Its border is formed by a small right bank tributary of the Seine, the Epte.
In 1517 François I built the port of Le Havre , the largest port in France. The size of the industrial port area is equivalent to the size of the city of Paris .
In 1684, King Louis XIV put into operation the Marly engine installed at the bottom of the Seine at Bougival , to draw water from the river and supply the water games in the park of Versailles .
From 1830, the development of the Seine began with the construction of dams and locks.
In the 1900s, the state and local authorities established drinking water facilities, water works, wastewater management systems (in particular by improving the Paris sewage network, sewage pumping stations, large spreading fields .
20th century
In 1910, the Seine experienced its last centennial flood .
And on 16 July 1918, during the First World War , a grenade launched by Grosse Bertha exploded in the Seine between the Grenelle and Mirabeau bridges.
In May and early June 1944, several waves of Allied bombing, preparing for the Normandy landings, targeted numerous strategic points, particularly the bridges located between Paris and the sea, all of which were reached and largely destroyed. On the night of 19-20 August. Advanced units of the US Army crossed the Seine for the first time using the Méricourt Dam . Subsequently, a bridge of boats installed at Rosny-sur-Seine enabled the establishment of a bridgehead on the right bank. Thousands of Olympic athletes will take their place there to mark the start of the Games in Paris. Some of the details released reveal the use of the City of Light. Its culture and its people as key players in the Olympic Games.
