Rocquencourt

Rocquencourt
Town hall
Rocquencourt
Location within Île-de-France region  Rocquencourt
Administration
Country	France
Region	Île-de-France
Department	Yvelines
Arrondissement	Versailles
Canton	Le Chesnay
Intercommunality	Grand Parc
Mayor	Hubert Chesnot (2008–2013)
Statistics
Elevation	114–179 m (374–587 ft) (avg. 150 m or 490 ft)
Land area1	2.78 km2 (1.07 sq mi)
Population2	3,333  (2006)
- Density	1,199 /km2 (3,110 /sq mi)
INSEE/Postal code	78524/ 78150
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.
2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.

Coordinates: 48°50′13″N 2°06′42″E / 48.8369°N 2.1117°E / 48.8369; 2.1117

Rocquencourt is a commune in the Yvelines department in the Île-de-France in north-central France.

It is mostly known for:

• hosting a research unit of INRIA (in the Domaine de Voluceau, formerly Camp Voluceau, used by SHAPE);
• having a freeway exchange known as the Rocquencourt Triangle (triangle de Rocquencourt), often heard about in traffic news.

History

On 1 July 1815, Napoleon's Grande Armée fought its last battle in Rocquencourt and Le Chesnay. After the defeat of Waterloo on 18 June 1815, Grouchy's army withdrew to Paris via Namur and Dinant, reaching Paris on 29 June, a few days before the Prussians, who camped at Versailles.

While negotiating the final armistice, Exelmans was ordered to attack the Prussians at Versailles on 1 July 1815. Under attack the Prussians retreated from Versailles and headed east, but were blocked by the French at Vélizy. They failed to re-enter Versailles and headed for Saint-Germain-en-Laye. Their first squadron came under fire at the entrance of Rocquencourt and attempted to escape through the fields. They were forced into a small, narrow street in Le Chesnay and killed or captured. However, the main body of the Prussian army succeeded in reaching Saint-Germain. (From Presentation of Rocquencourt.)

Points of interest

• Arboretum de Chèvreloup

See also

• Communes of the Yvelines department

References

• INSEE

External links

Wikimedia Commons has media related to: Rocquencourt (Yvelines)

• Rocquencourt city council website (in French)

v t e Communes of the Yvelines department Ablis Achères Adainville Aigremont Allainville Les Alluets-le-Roi Andelu Andrésy Arnouville-lès-Mantes Aubergenville Auffargis Auffreville-Brasseuil Aulnay-sur-Mauldre Auteuil Autouillet Bailly Bazainville Bazemont Bazoches-sur-Guyonne Béhoust Bennecourt Beynes Blaru Boinville-en-Mantois Boinville-le-Gaillard Boinvilliers Bois-d'Arcy Boissets La Boissière-École Boissy-Mauvoisin Boissy-sans-Avoir Bonnelles Bonnières-sur-Seine Bouafle Bougival Bourdonné Breuil-Bois-Robert Bréval Les Bréviaires Brueil-en-Vexin Buc Buchelay Bullion Carrières-sous-Poissy Carrières-sur-Seine La Celle-les-Bordes La Celle-Saint-Cloud Cernay-la-Ville Chambourcy Chanteloup-les-Vignes Chapet Châteaufort Chatou Chaufour-lès-Bonnières Chavenay Le Chesnay Chevreuse Choisel Civry-la-Forêt Clairefontaine-en-Yvelines Les Clayes-sous-Bois Coignières Condé-sur-Vesgre Conflans-Sainte-Honorine Courgent Cravent Crespières Croissy-sur-Seine Dammartin-en-Serve Dampierre-en-Yvelines Dannemarie Davron Drocourt Ecquevilly Élancourt Émancé Épône Les Essarts-le-Roi L'Étang-la-Ville Évecquemont La Falaise Favrieux Feucherolles Flacourt Flexanville Flins-Neuve-Église Flins-sur-Seine Follainville-Dennemont Fontenay-le-Fleury Fontenay-Mauvoisin Fontenay-Saint-Père Fourqueux Freneuse Gaillon-sur-Montcient Galluis Gambais Gambaiseuil Garancières Gargenville Gazeran Gommecourt Goupillières Goussonville Grandchamp Gressey Grosrouvre Guernes Guerville Guitrancourt Guyancourt Hardricourt Hargeville La Hauteville Herbeville Hermeray Houdan Houilles Issou Jambville Jeufosse Jouars-Pontchartrain Jouy-en-Josas Jouy-Mauvoisin Jumeauville Juziers Lainville-en-Vexin Lévis-Saint-Nom Limay Limetz-Villez Les Loges-en-Josas Lommoye Longnes Longvilliers Louveciennes Magnanville Magny-les-Hameaux Maisons-Laffitte Mantes-la-Jolie Mantes-la-Ville Marcq Mareil-le-Guyon Mareil-Marly Mareil-sur-Mauldre Marly-le-Roi Maule Maulette Maurecourt Maurepas Médan Ménerville Méré Méricourt Le Mesnil-le-Roi Le Mesnil-Saint-Denis Les Mesnuls Meulan Mézières-sur-Seine Mézy-sur-Seine Millemont Milon-la-Chapelle Mittainville Moisson Mondreville Montainville Montalet-le-Bois Montchauvet Montesson Montfort-l'Amaury Montigny-le-Bretonneux Morainvilliers Mousseaux-sur-Seine Mulcent Les Mureaux Neauphle-le-Château Neauphle-le-Vieux Neauphlette Nézel Noisy-le-Roi Oinville-sur-Montcient Orcemont Orgerus Orgeval Orphin Orsonville Orvilliers Osmoy Paray-Douaville Le Pecq Perdreauville Le Perray-en-Yvelines Plaisir Poigny-la-Forêt Poissy Ponthévrard Porcheville Le Port-Marly Port-Villez Prunay-en-Yvelines Prunay-le-Temple La Queue-les-Yvelines Raizeux Rambouillet Rennemoulin Richebourg Rochefort-en-Yvelines Rocquencourt Rolleboise Rosay Rosny-sur-Seine Sailly Saint-Arnoult-en-Yvelines Saint-Cyr-l'École Sainte-Mesme Saint-Forget Saint-Germain-de-la-Grange Saint-Germain-en-Laye Saint-Hilarion Saint-Illiers-la-Ville Saint-Illiers-le-Bois Saint-Lambert Saint-Léger-en-Yvelines Saint-Martin-de-Bréthencourt Saint-Martin-des-Champs Saint-Martin-la-Garenne Saint-Nom-la-Bretèche Saint-Rémy-lès-Chevreuse Saint-Rémy-l'Honoré Sartrouville Saulx-Marchais Senlisse Septeuil Soindres Sonchamp Tacoignières Le Tartre-Gaudran Le Tertre-Saint-Denis Tessancourt-sur-Aubette Thiverval-Grignon Thoiry Tilly Toussus-le-Noble Trappes Le Tremblay-sur-Mauldre Triel-sur-Seine Vaux-sur-Seine Vélizy-Villacoublay Verneuil-sur-Seine Vernouillet La Verrière Versailles Vert Le Vésinet Vicq Vieille-Église-en-Yvelines La Villeneuve-en-Chevrie Villennes-sur-Seine Villepreux Villette Villiers-le-Mahieu Villiers-Saint-Fréderic Viroflay Voisins-le-Bretonneux

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