Saint-Denis-sur-Richelieu is a municipality in the southwestern part of Quebec, Canada on the Richelieu River in the Regional County Municipality of La Vallée-du-Richelieu. The population as of the Canada 2011 Census was 2,285. History In 1694, King Louis XIV granted the Seigneurie of Saint-Denis to the aristocrat French Army officer, Louis-François De Gannes, sieur de Falaise of Buxeuil, Vienne, France. He named his seigniory after his wife, Barbe Denys. A great stone Roman Catholic Saint-Denis Church was completed in 1796. On November 23, 1837, Saint-Denis-sur-Richelieu was the site of the murder of British courier, Lieutenant George Weir by Patriotes. Subsequently, the Patriotes, calling themselves The Sons of Liberty based on the American model, won a battle here against the British Army that marked the official beginning of the Lower Canada Rebellion. Today, Saint-Denis-sur-Richelieu has a museum called the Maison nationale des Patriotes, an interpretation centre that presents a history of the Patriotes movement that was led by the villager's most famous resident, Wolfred Nelson. On October 21s 2012, a monument to the memory of Louis-Joseph Papineau was unveiled in a park next to City Hall, along the river, by Québec Premiere Pauline Marois. Demographics Population Population trend: (+) Amalgamation of the Parish and the Village of Saint-Denis. Language Mother tongue language (2006) See also List of municipalities in Quebec Battle of Saint-Denis (1837) References External links ; George Weir's "sadistic" murder. History and architectural details of the Saint-Denis-sur-Richelieu at the Quebec religious heritage Foundation (English & French languages) Maison nationale des Patriotes museum information website Municipalities in Quebec Incorporated places in La Vallée-du-Richelieu Regional County Municipality