Sailing at the 1900 Summer Olympics Seine near Meulan. For the larger yachts an Olympic regatta was held at Le Havre. During the Olympic regattas of the Exposition Universelle of 1900 there were more than 100 yachts racing from Paris, Rouen, Cannes, Nantes and Arcachon and yachts from England, Germany, the United States and Holland. The Bassin Olympique was the river Seine near the that served as the Olympic harbor. The race conditions at Meulan during the Olympic regatta were not ideal. A light breeze could hardly make the sailing interesting. Since the river Seine mainly runs from east to west, the light north-easterly breeze was
Seine concentrations in the Seine are relatively high. The pH level of the Seine at Pont Neuf has been measured to be 8.46. Despite this, the water quality has improved significantly over what several historians at various times in the past called an "open sewer". In 2009, it was announced that Atlantic salmon had returned to the Seine. The name comes from the Latin , the Gallo-Roman goddess of the river. On 28 or 29 March, 845, an army of Vikings led by a chieftain named Reginherus, which is possibly another name for Ragnar Lothbrok, sailed up the River Seine with